Zeuxine nervosa Trimen

Species

Angiosperms > Asparagales > Orchidaceae > Zeuxine

Characteristics

Plants 20-35 cm tall, slender. Rhizome elongate. Stem erect, 1-2 mm in diam., 3-6-leaved. Leaves clustered at stem apex, not usually withering at anthesis, adaxially green, usually with silvery blotches or a white line along midvein, ovate to ovate-elliptic, 4-6 × 1.5-2.5 cm, apex acute; petiole-like base 1-1.5 cm including tubular sheath. Inflorescence 18-28 cm, with 2 or 3 widely spaced sterile bracts, sparsely villous; rachis 3-10 cm, with a few to more than 10 subdensely arranged flowers; floral bracts reddish brown, ovate-lanceolate, cymbiform, 6-10 × 3-4.5 mm, abaxially puberulent to glabrous, margin ciliate, apex acuminate. Flowers fragrant, resupinate, weakly spreading, small; ovary and pedicel fusiform, 8-9 mm, glabrous to puberulent. Sepals reddish brown to yellowish green, glabrous; dorsal sepal ovate, concave, 5-5.5 × 4.5-5 mm, apex acute or subacuminate; lateral sepals oblong-ovate, 6-6.5 × ca. 3.5 mm, apex acute to obtuse. Petals white, ovate, oblique, ca. 5.5 × 3.2 mm, glabrous, apex obtuse; lip white or pale yellow, Y-shaped, to 7 mm, 3-partite; hypochile concave-saccate, ca. 2.5 × 2.5 mm, containing 2 2-or 3-digitate to narrowly lamellate calli; mesochile relatively long and narrow, ca. 1.5 mm, margin incurved; epichile dilated, ca. 4 mm wide, 2-lobed; lobes diverging at an acute angle, suborbicular, ca. 2 × 2 mm. Column ca. 2.2 mm; wings prominent, broadly triangular; rostellum arms ca. 1.2 mm. Fl. Feb-Mar. 2n = 20.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.35
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Hardiness (USDA) 8-12

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Images

Zeuxine nervosa unspecified picture

Distribution

Zeuxine nervosa world distribution map, present in Andorra, Bangladesh, China, Indonesia, Lao People's Democratic Republic, Myanmar, Nepal, Philippines, Thailand, Taiwan, Province of China, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:661591-1
WFO ID wfo-0000335342
COL ID 5D49N
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Monochilus nervosus Zeuxine fluvida Zeuxine formosana Zeuxine nervosa Zeuxine somai Zeuxine vittata Zeuxine zamboangensis Zeuxine assamica Zeuxine hengchuanense Adenostylis formosana Adenostylis zamboangensis Zeuxine dhanikariana Heterozeuxine nervosa Haplochilus nervosus Hetaeria nervosa Zeuxine cognata