Brassia

R. Brown

in W. Aiton and W. T. Aiton, Hortus Kew. 5: 215. 1813.

Common names: Spider orchid
Etymology: for William Brass, an eighteenth-century British botanical illustrator and collector
Treatment appears in FNA Volume 26. Treatment on page 645. Mentioned on page 496.

Herbs, epiphytic, ± cespitose. Stems either reduced and covered with sheathing bracts or elongate with prominent, single-noded pseudobulb. Leaves 1 (–2) per sympodium, from apex of pseudobulb, often with 1–3 short foliaceous bracts subtending single-noded pseudobulb; blade conduplicate, oblong-lanceolate, dorsiventrally flattened, margins entire. Inflorescences lateral, racemes; bracts narrowly triangular. Flowers: sepals and petals distinct and free, long, attenuate-caudate; lip unlobed; callus prominent, 2-lamellate; column without appendages, footless; stigmatic cavity ± round; rostellum not prominent. Fruits capsules.

Distribution

Subtropics and tropics, Western Hemisphere

Discussion

Species 35 (1 in the flora).

Selected References

None.

Lower Taxa

... more about "Brassia"
self-pollination +
Mark W. Chase +
R. Brown +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
flattened +  and oblong-lanceolate +
triangular +
2-lamellate +
Spider orchid +
Subtropics and tropics +  and Western Hemisphere +
for William Brass, an eighteenth-century British botanical illustrator and collector +
3-merous +, sessile +  and pedicellate +
not +  and resupinate +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
cauline +  and basal +
reduced +
unlobed +
larger +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
free +  and distinct +
in W. Aiton and W. T. Aiton, Hortus Kew. +
aerial +  and subterranean +
not prominent +
minute +
free +  and distinct +
attenuate-caudate +
foliaceous +
not +  and alike +
branched +, or +  and simple +
pendent +  and erect +
proliferous +
elongate +
reduced +
concave +  and convex +
Brassia +
Orchidaceae (tribe Maxillarieae) subtribe Oncidiinae +
annual +  and perennial +
herb +  and cespitose +
saprophytic +, photosynthetic +  and mycotrophic +