Difference between revisions of "Stenia"
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| + | Stenia (Greek, narrow, alluding to the form of the pollen-masses). Orchidaceae. Epiphytic herbs with short sts. and clustered pseudobulbs which bear 1-2 lvs., grown occasionally in the warmhouse: lvs. oblong or narrow, leathery, midrib prominent: scapes short at the axils of the sheaths, below the Lvs. or pseudobulbs, recurved, with 1 rather large fl.; sepals subequal, free among themselves, spreading, the lateral a little broader; petals similar to the dorsal sepals; labellum continuous with the foot of the column, inbent, fleshy, broad, concave, nearly saccate, the lateral lobes minute, midlobe undivided or all broader and fimbriate; column rather thick and erect; pollinia 4, oblong-linear: caps. unknown. Two species, Trop. S. Amer. Treatment much as in maxillaria. S. guttata, Reichb. f., is similar to the following, but differs in having blunter sepals and petals which are straw-colored with purple spots and in the lip being blotched and having only seven callous teeth. Peru. S. pallida, Lindl. St. wanting: lvs. 2-5, oblong, acute, slightly narrowed and keeled at the base, sheathed with brownish spathaceous scales: scapes radical, prostrate: fls. pale citron-color, 1 1/2 in. or more diam.; sepals and petals linear, acute; lip spotted with red, nearly saccate, entire, fleshy, ovate. Guiana. B.R. 24:20. | ||
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Revision as of 10:00, 23 July 2009
Read about Stenia in the Standard Cyclopedia of Horticulture
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Stenia (Greek, narrow, alluding to the form of the pollen-masses). Orchidaceae. Epiphytic herbs with short sts. and clustered pseudobulbs which bear 1-2 lvs., grown occasionally in the warmhouse: lvs. oblong or narrow, leathery, midrib prominent: scapes short at the axils of the sheaths, below the Lvs. or pseudobulbs, recurved, with 1 rather large fl.; sepals subequal, free among themselves, spreading, the lateral a little broader; petals similar to the dorsal sepals; labellum continuous with the foot of the column, inbent, fleshy, broad, concave, nearly saccate, the lateral lobes minute, midlobe undivided or all broader and fimbriate; column rather thick and erect; pollinia 4, oblong-linear: caps. unknown. Two species, Trop. S. Amer. Treatment much as in maxillaria. S. guttata, Reichb. f., is similar to the following, but differs in having blunter sepals and petals which are straw-colored with purple spots and in the lip being blotched and having only seven callous teeth. Peru. S. pallida, Lindl. St. wanting: lvs. 2-5, oblong, acute, slightly narrowed and keeled at the base, sheathed with brownish spathaceous scales: scapes radical, prostrate: fls. pale citron-color, 1 1/2 in. or more diam.; sepals and petals linear, acute; lip spotted with red, nearly saccate, entire, fleshy, ovate. Guiana. B.R. 24:20.
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Stenia is a small, genus from the orchid family (Orchidaceae)
This epiphytic plants occur in warm, humid habitats of Trinidad and tropical South America.
This genus as a rule lacks pseudobulbs and consequently produces tufted fan-like growths of fairly erect narrow, short leaves, and conforms to the sympodial method of growth.
Plants of this genus produce a short, creeping or erect, single-flowered inflorescences, growing laterally. The flowers are medium-sized, with equal petals and sepals. All members of this genus have their flowers dominated by the large, shoe-like, concave labellum (lip) with a disc-like, toothed crest. The flowers have four elongate pollinia, with the upper pollinia long and narrow
They occur at any time of the year, though slightly more concentrated during summer in cultivation.
Synonyms
- Stenopolen Raf., (1838).
- Dodsonia Ackerman (1979)
Species
- Stenia angustilabia D.E.Benn. & Christenson (1998) (Peru)
- Stenia aurorae D.E.Benn. & Christenson (1998) (Peru)
- Stenia bismarckii Dodson & D.E.Benn. (1989)( S. Ecuador to Peru)
- Stenia calceolaris (Garay) Dodson & D.E.Benn. (1989) (Ecuador to N. Peru)
- Stenia christensonii D.E.Benn. (1998).(Peru)
- Stenia falcata (Ackerman) Dressler (2004)
- Stenia glatzii Neudecker & G.Gerlach (2000) (Ecuador)
- Stenia guttata Rchb.f. (1880)(Peru)
- Stenia jarae D.E.Benn. (1992) (Peru)
- Stenia lillianae Jenny ex D.E.Benn. & Christenson (1994) (Peru)
- Stenia luerorum D.E.Benn. & Christenson (1998) (Peru)
- Stenia nataliana R.Vásquez & Nowicki & R.Müll. (2001) (Bolivia)
- Stenia pallida Lindl. (1837) (Trinidad, Guyana, Venezuela, EcuadorPeru)
- Stenia pastorellii D.E.Benn. (1992) (Peru)
- Stenia pustulosa D.E.Benn. & Christenson (1994) (Peru)
- Stenia saccata Garay (1969) (Ecuador)
- Stenia stenioides (Garay) Dodson & R.Escobar (1993) (Ecuador)
- Stenia uribei P.Ortiz (2004) (Colombia)
- Stenia vasquezii Dodson (1989) (Bolivia)
- Stenia wendiae D.E.Benn. & Christenson (1994) (Peru)
References
- Stern W.L., Judd W.S., Carlsward B.S. (2004). "Systematic and comparative anatomy of Maxillarieae (Orchidaceae), sans Oncidiinae". Botanical Journal of the Linnean Society 144 (3): 251-274.
- Whitten (2005). "Generic relationships of Zygopetalinae (Orchidaceae: Cymbidieae): combined molecular evidence". Lankesteriana 5 (2).
