Oleandra undulata (Willd.) Ching

Species

Pteridophytes > Polypodiales > Oleandraceae > Oleandra

Characteristics

Plants terrestrial or epilithic; rhizome long creeping, growth monopodial, 4-5 mm in diam., not white waxy; roots restricted to ventral side, branched and hairy throughout their length; scales dark brown at middle, apex and margin red-brown, spreading, narrowly ovate-lanceolate, ca. 6 × 1 mm, base rounded, margin ciliate, apex acuminate. Fronds erect, scattered or in tufts; stipe and phyllopodia together 10-15(-20) cm, stramineous, phyllopodia to 2-12 cm; lamina brown when dry, lanceolate or broadly lanceolate, 15-25 × 2-4.5 cm, thickly papery, abaxially with long hairs, adaxially glabrous, base cuneate, rarely more gradually narrowed, to broadly cuneate or rounded, apex acuminate, margin slightly undulate and glabrous; costa raised on both sides, narrowly grooved adaxially; veins simple or forked at base, rarely forked medially. Sori to 2-5 mm from costa; indusia pubescent.
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Growth form herb
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Mature height (meter) 0.01 - 0.06
Root system rhizome
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Environment

Light -
Soil humidity 1-3
Soil texture 3-9
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Hardiness (USDA) 8-12

Usage

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Edible -
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Cultivation

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Distribution

Oleandra undulata world distribution map, present in China, India, Cambodia, Lao People's Democratic Republic, Myanmar, Nepal, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:1066023-2
WFO ID wfo-0001124869
COL ID 493RF
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polypodium undulatum Oleandra undulata Oleandra pubescens Oleandra cumingii var. longipes