Cleisostoma williamsonii (Rchb.F.) Garay

Species

Angiosperms > Asparagales > Orchidaceae > Cleisostoma

Characteristics

Plants often pendulous. Stems to 70 cm, rather slender, 3-4 mm in diam., branched or unbranched, many leaved, internodes 1-2.5 cm. Leaves straight or slightly arching, terete, usually 6-10 cm × 2-3 mm, obtuse. Inflorescence lateral, ascending, longer than leaves, usually branched, densely many flowered; floral bracts ovate-lanceolate, ca. 2 mm. Flowers opening widely, pink, lip deep purple-red; pedicel and ovary ca. 5 mm, slender. Dorsal sepal ovate-elliptic, cymbiform, ca. 2.2 × 1.5 mm, rounded; lateral sepals obliquely ovate-elliptic, ca. 2.5 × 1.5 mm, base adnate to column foot, obtuse. Petals oblong, ca. 2.2 × 1 mm, obtuse; lip lateral lobes erect, ligulate-oblong, obtuse, ± incurved; mid-lobe narrowly ovate-triangular, fleshy, adaxially with a ridge raised and triangular near spur entrance; spur globose, ca. 2 mm in diam., slightly laterally compressed, concave, interior inconspicuously septate, with a back wall callus; callus 3-lobed, T-shaped; lateral lobules nearly horn-shaped, slightly recurved; mid-lobule shallowly bilobed at base and densely papillate-hairy. Column ca. 2 mm; anther cap truncate, broadly emarginate; stipe broadly ovate-triangular or miter-shaped; viscidium nearly crescent-shaped. Fl. Apr-Jun. 2n = 38.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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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

Cleisostoma williamsonii unspecified picture

Distribution

Cleisostoma williamsonii world distribution map, present in Andorra, China, Lao People's Democratic Republic, Moldova (Republic of), Myanmar, Philippines, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:623589-1
WFO ID wfo-0000875446
COL ID VX5R
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Saccolabium sacculatum Sarcanthus demangei Sarcanthus elongatus Sarcanthus flaccidus Sarcanthus hongkongensis Sarcanthus sacculatus Sarcanthus weberi Sarcanthus williamsonii Echioglossum elegans Cleisostoma demanzei Cleisostoma elegans Cleisostoma hongkongense Cleisostoma weberi Cleisostoma williamsonii Echioglossum sacculatum Echioglossum williamsonii Cleisostoma sacculatum Cleisostoma elongatum