Rhynchostylis gigantea Ridl.

Species

Angiosperms > Asparagales > Orchidaceae > Rhynchostylis

Characteristics

Stems erect, 4-13 cm or longer, stout, ca. 2 cm in diam., many leaved. Leaves broadly lorate, 20-40 cm, fleshy, with amplexicaul sheaths at base, apex obtuse and unequally bilobed. Inflorescences 2-4, usually arching, 14-30 cm, densely many flowered; rachis 10-20 cm, thick; floral bracts often reflexed, broadly ovate, ca. 5 mm. Flowers thickly textured, white spotted with purplish red, lip deep purplish red, column purplish red, anther cap white. Sepals similar, elliptic-oblong, 12-17 × 9-10 mm, obtuse. Petals oblong, smaller than sepals, base contracted, apex obtuse; lip subobovate, ca. 17 × 12 mm, fleshy, base with a pair of ridges, margin 3-lobed; lateral lobes erect, subelliptic; mid-lobe very small, retuse; disk slightly papillate; spur narrowly conic, ca. 5 mm, inside densely white hairy. Column ca. 4 mm, thick, foot very short or indistinct; rostellum suborbicular; stipe linear, ca. 2 mm, apex ± dilated; viscidium lanceolate. Capsule obovoid, ca. 4 cm. Fl. Jan-Apr, fr. Feb-May. 2n = 38.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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JanFebMar
AprMayJun
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OctNovDec
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JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Environment

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Hardiness (USDA) 8-12

Usage

Uses medicinal
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Cultivation

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Images

Flower

Rhynchostylis gigantea flower picture by Pat.y (cc-by-sa)

Distribution

Rhynchostylis gigantea world distribution map, present in China, Lao People's Democratic Republic, Myanmar, Philippines, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:655695-1
WFO ID wfo-0000296583
COL ID 6X7SZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Anota gigantea Rhynchostylis gigantea Gastrochilus giganteus Rhynchostylis gigantea f. harrisoniana Saccolabium giganteum Saccolabium giganteum var. illustre Saccolabium giganteum var. petotianum Saccolabium violaceum var. harrisonianum

Lower taxons

Rhynchostylis gigantea subsp. gigantea Rhynchostylis gigantea subsp. violacea