Difference between revisions of "Thunbergia alata"

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{{SPlantbox
 
{{SPlantbox
 
|familia=Acanthaceae
 
|familia=Acanthaceae
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|genus=Thunbergia  
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|genus=Thunbergia
 
|species=alata
 
|species=alata
 
|common_name=Black-eyed Susan vine
 
|common_name=Black-eyed Susan vine
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|name_ref=Flora - A Gardener's Encyclopedia
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|habit=vine-climber
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|habit_ref=Flora - A Gardener's Encyclopedia
 
|Max ht box=10
 
|Max ht box=10
 
|Max ht metric=ft
 
|Max ht metric=ft
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|height_ref=Flora - A Gardener's Encyclopedia
 
|Max wd box=10
 
|Max wd box=10
 
|Max wd metric=ft
 
|Max wd metric=ft
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|width_ref=Flora - A Gardener's Encyclopedia
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|lifespan=perennial
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|life_ref=Flora - A Gardener's Encyclopedia
 
|exposure=sun, part-sun
 
|exposure=sun, part-sun
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|sun_ref=Flora - A Gardener's Encyclopedia
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|features=evergreen, flowers
 
|flower_season=early summer, mid summer, late summer
 
|flower_season=early summer, mid summer, late summer
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|flower_ref=Flora - A Gardener's Encyclopedia
 
|flowers=orange, yellow
 
|flowers=orange, yellow
 
|Temp Metric=°F
 
|Temp Metric=°F
 
|min_zone=10
 
|min_zone=10
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|usda_ref=Flora - A Gardener's Encyclopedia
 
|max_zone=12
 
|max_zone=12
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|jumpin=If this plant info box on watering; zones; height; etc. is mostly empty you can click on the edit tab and fill in the blanks!
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|image=Thunbergia alata00.jpg
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|image=Upload.png
 
 
|image_width=240
 
|image_width=240
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|image_caption=Black-eyed Susan vine
 
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__NOTOC__{{Plantbox
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'''''Thunbergia alata''''', commonly called '''Black-eyed Susan vine''', is a herbaceous perennial climbing plant species in the [[Acanthaceae]] family.  It is native to [[Eastern Africa]], and has been naturalized in other parts of the world.  It is found in [[Cerrado]] [[vegetation]] of [[Brazil]] and [[Hawaii]], along with eastern [[Australia]] and the southern USA in the states of [[Texas]] and [[Florida]].<ref name=autogenerated2>[http://plants.usda.gov/java/ClassificationServlet?source=profile&symbol=THAL3&display=63 Classification | USDA PLANTS<!-- Bot generated title -->]</ref> It is grown as an [[ornamental plant]] in gardens and in hanging baskets. Black-eyed Susan is also a name given to another species of flowers - [[Rudbeckia]].
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| name = ''Thunbergia alata''
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| common_names = Black-eyed Susan
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Depending on the conditions,''Thunbergia alata''  grows to a height of 6-8 ft. (1.8-2.4 m) in tropical zones, but much less as a container plant or as an annual. It has twinning stems with heart or arrow-shaped leaves.<ref>http://www.plantzafrica.com/planttuv/thunbergalata.htm</ref> It favours sun to partial shade and the flowers, though typically a warm orange can range through red, orange, red-orange and bright yellow with the characteristic chocolate-purple centre which inspires the common name.
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| growth_habit = vine
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| high = ?   <!--- 1m (3 ft) -->
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Soft five-petal blooms appear in late Spring/early Summer, mid Summer and again in late Summer, early Autumn (Fall). The leaves are heart shaped [[dicotyledon]]s<ref name=autogenerated2 /> and the plant is an evergreen perennial.
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| wide =    <!--- 65cm (25 inches) -->
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| origin = ?  <!--- Mexico, S America, S Europe, garden, etc -->
 
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| lifespan = perennial
 
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| exposure = ?  <!--- full sun, part-sun, semi-shade, shade, indoors, bright filtered (you may list more than 1) -->
 
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| water = ?  <!--- frequent, regular, moderate, drought tolerant, let dry then soak -->
 
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| features =    <!--- flowers, fragrance, fruit, naturalizes, invasive -->
 
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| hardiness =    <!--- frost sensitive, hardy, 5°C (40°F), etc -->
 
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| bloom =    <!--- seasons which the plant blooms, if it is grown for its flowers -->
 
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| usda_zones = ?  <!--- eg. 8-11 -->
 
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| sunset_zones =    <!--- eg. 8, 9, 12-24, not available -->
 
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| color = IndianRed
 
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| image = Starr 010419 0035 thunbergia alata.jpg
 
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| image_width = 240px    <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical -->
 
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| image_caption = Black-eyed Susan vine
 
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| regnum = Plantae
 
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| divisio = Magnoliophyta
 
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| classis = Magnoliopsida
 
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| subclassis = Asteridae
 
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| ordo = Lamiales
 
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| familia = Acanthaceae
 
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| genus = Thunbergia
 
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| species = alata
 
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{{Inc|
 
{{Inc|
 
Thunbergia alata, Bojer. Black-eyed Susan. St. square, climbing, hairy: lvs. opposite, triangular-ovate, hastate, repand-toothed, rough-pubescent, tomentose beneath; petioles winged, about as long as the lvs.: fls. solitary, on axillary peduncles; calyx very small, surrounded by 2 large inflated bracts; corolla-tube somewhat longer than the involucre, dark purple within; limb rotate, oblique, of 5 rounded segms., buff or cream- colored. S. E. Afr. —A perennial climber which may also be treated as an annual greenhouse plant. Usually prop. by seeds. It is used either as greenhouse climber or to grow on trellises outdoors. Outside it flowers mostly in Aug., but by prop. at various times plants may be had in blossom nearly the whole year in the greenhouse. There are many varieties, some of which have been described as species.
 
Thunbergia alata, Bojer. Black-eyed Susan. St. square, climbing, hairy: lvs. opposite, triangular-ovate, hastate, repand-toothed, rough-pubescent, tomentose beneath; petioles winged, about as long as the lvs.: fls. solitary, on axillary peduncles; calyx very small, surrounded by 2 large inflated bracts; corolla-tube somewhat longer than the involucre, dark purple within; limb rotate, oblique, of 5 rounded segms., buff or cream- colored. S. E. Afr. —A perennial climber which may also be treated as an annual greenhouse plant. Usually prop. by seeds. It is used either as greenhouse climber or to grow on trellises outdoors. Outside it flowers mostly in Aug., but by prop. at various times plants may be had in blossom nearly the whole year in the greenhouse. There are many varieties, some of which have been described as species.
  
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Var. alba, Paxt. (T. alata var. albiflora, Hook.). Fls. white, with a blackish center. P.M. 3:28. B.M. 3512. Var. aurantiaca, Kuntze (T. aurantiaca, Paxt.). Fls. bright orange, with a dark center. The best of the group. P.M. 6:269. H.U. 1, p. 355. Subvar. Doddsii has variegated lvs. P.M. 15:221. F.S. 4:415. Var. Bakeri, Hort. (T. Bakeri or Backerii, Hort.). Fls. pure white. Var. Fryeri, Hort. (T. Fryeri, Hort. T. alata var. intus-alba, Hort.). Pale orange, with a white center. Var. sulphurea, Hort. Fls. sulfur-yellow. Var. lutea, Hort. (T. alata var. unicolor, Hort.). Fls. entirely yellow.
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Var. alba, Paxt. (T. alata var. albiflora, Hook.). Fls. white, with a blackish center.  
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Var. aurantiaca, Kuntze (T. aurantiaca, Paxt.). Fls. bright orange, with a dark center. The best of the group. Subvar. Doddsii has variegated lvs.  
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Var. Bakeri, Hort. (T. Bakeri or Backerii, Hort.). Fls. pure white.  
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Var. Fryeri, Hort. (T. Fryeri, Hort. T. alata var. intus-alba, Hort.). Pale orange, with a white center.  
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Var. sulphurea, Hort. Fls. sulfur-yellow.  
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Var. lutea, Hort. (T. alata var. unicolor, Hort.). Fls. entirely yellow.
 
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===Propagation===
 
===Propagation===
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{{edit-prop}}<!--- Type propagation info below this line, then delete this entire line -->
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The plant is self-propagating but propagation methods for gardeners include herbaceous stem cuttings, and from seed. In the northern hemisphere seed is sown indoors before last frost and direct sowing after the last frost of the season.
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To collect seeds, seedheads are allowed to dry on plants before removal and seed collection.
  
 
===Pests and diseases===
 
===Pests and diseases===
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==Gallery==
 
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File:Starr 010419 0035 thunbergia alata.jpg
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File:Thunbergia alata00.jpg
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Image:Upload.png| photo 1
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File:Starr 080716-9357 Thunbergia alata.jpg
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File:Starr 070308-5467 Thunbergia alata.jpg
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File:Starr 070111-3094 Thunbergia alata.jpg
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Latest revision as of 01:59, 27 April 2010


Black-eyed Susan vine


Plant Characteristics
Habit   vine-climber

Height: ⇕ 10 ft"ft" can not be assigned to a declared number type with value 10.
Width: ⇔ 10 ft"ft" can not be assigned to a declared number type with value 10.
Lifespan: ⌛ perennial
Bloom: ❀ early summer, mid summer, late summer
Cultivation
Exposure: ☼ sun, part-sun
Features: ✓ evergreen, flowers
USDA Zones: 10 to 12
Flower features: ❀ orange, yellow
Scientific Names

Acanthaceae >

Thunbergia >

alata >


Thunbergia alata, commonly called Black-eyed Susan vine, is a herbaceous perennial climbing plant species in the Acanthaceae family. It is native to Eastern Africa, and has been naturalized in other parts of the world. It is found in Cerrado vegetation of Brazil and Hawaii, along with eastern Australia and the southern USA in the states of Texas and Florida.[1] It is grown as an ornamental plant in gardens and in hanging baskets. Black-eyed Susan is also a name given to another species of flowers - Rudbeckia.

Depending on the conditions,Thunbergia alata grows to a height of 6-8 ft. (1.8-2.4 m) in tropical zones, but much less as a container plant or as an annual. It has twinning stems with heart or arrow-shaped leaves.[2] It favours sun to partial shade and the flowers, though typically a warm orange can range through red, orange, red-orange and bright yellow with the characteristic chocolate-purple centre which inspires the common name.

Soft five-petal blooms appear in late Spring/early Summer, mid Summer and again in late Summer, early Autumn (Fall). The leaves are heart shaped dicotyledons[1] and the plant is an evergreen perennial.


Read about Thunbergia alata in the Standard Cyclopedia of Horticulture 

Thunbergia alata, Bojer. Black-eyed Susan. St. square, climbing, hairy: lvs. opposite, triangular-ovate, hastate, repand-toothed, rough-pubescent, tomentose beneath; petioles winged, about as long as the lvs.: fls. solitary, on axillary peduncles; calyx very small, surrounded by 2 large inflated bracts; corolla-tube somewhat longer than the involucre, dark purple within; limb rotate, oblique, of 5 rounded segms., buff or cream- colored. S. E. Afr. —A perennial climber which may also be treated as an annual greenhouse plant. Usually prop. by seeds. It is used either as greenhouse climber or to grow on trellises outdoors. Outside it flowers mostly in Aug., but by prop. at various times plants may be had in blossom nearly the whole year in the greenhouse. There are many varieties, some of which have been described as species.

Var. alba, Paxt. (T. alata var. albiflora, Hook.). Fls. white, with a blackish center. Var. aurantiaca, Kuntze (T. aurantiaca, Paxt.). Fls. bright orange, with a dark center. The best of the group. Subvar. Doddsii has variegated lvs. Var. Bakeri, Hort. (T. Bakeri or Backerii, Hort.). Fls. pure white. Var. Fryeri, Hort. (T. Fryeri, Hort. T. alata var. intus-alba, Hort.). Pale orange, with a white center. Var. sulphurea, Hort. Fls. sulfur-yellow. Var. lutea, Hort. (T. alata var. unicolor, Hort.). Fls. entirely yellow. CH


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


Cultivation

Do you have cultivation info on this plant? Edit this section!

Propagation

The plant is self-propagating but propagation methods for gardeners include herbaceous stem cuttings, and from seed. In the northern hemisphere seed is sown indoors before last frost and direct sowing after the last frost of the season.

To collect seeds, seedheads are allowed to dry on plants before removal and seed collection.

Pests and diseases

Do you have pest and disease info on this plant? Edit this section!

Species

Gallery

  • Starr 010419 0035 thunbergia alata.jpg
  • Thunbergia alata00.jpg
  • Starr 080716-9357 Thunbergia alata.jpg
  • Starr 070308-5467 Thunbergia alata.jpg
  • Starr 070111-3094 Thunbergia alata.jpg
  • Black-eyed Susan vine flower (2006).jpg

References

External links


  1. ↑ 1.0 1.1 Classification | USDA PLANTS
  2. ↑ http://www.plantzafrica.com/planttuv/thunbergalata.htm
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