Thunbergia alata

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Black-eyed Susan vine


Plant Characteristics
Lifespan: perennial
Origin: ?
Cultivation
Exposure: ?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property.
Water: ?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property.
Scientific Names

Acanthaceae >

Thunbergia >

alata >



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. 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. CH


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