Alsophila khasyana Moore & Kuhn

Species

Pteridophytes > Cyatheales > Cyatheaceae > Alsophila

Characteristics

Trunk erect, ca. 1.5 m or more. Fronds 2-pinnate-pinnatifid, 2-3 m; stipe dark, up to 40 cm or more, glabrous, not spiny, densely scaly at base; scales abundant, dark, ca. 1.5 cm × 1.5 mm, with broad, pale, ciliate margins; lamina up to 70 cm or more; pinnules alternate, spreading, lanceolate, 8.5-10 × 1.5-2.5 cm, base truncate, shortly stalked, deeply pinnatifid, apex acuminate; pinnule segments ca. 17 pairs, alternate, spreading, approximate, oblong, ca. 8 × 4 mm, dentate at apex and margin, basal pair almost free, upper part pinnatifid almost to costule; veinlets 8 or 9 pairs, simple or forked, basal basiscopic ones arising directly from pinnule costule. Lamina thin, dark brown on adaxial surface, pale green on abaxial surface; rachis and costae dark brown, glabrous on abaxial side, adaxial side with dense reddish brown stiff hairs; adaxial side of costules with small dark brown, lanceolate scales; adaxial side of midveins with sparse, small, brown bullate scales. Sori close to midveins, often 4 pairs; indusia absent.
Life form -
Growth form tree
Growth support -
Foliage retention -
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-12

Usage

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

Cultivation

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

Distribution

Alsophila khasyana world distribution map, present in Bangladesh, Bhutan, China, India, Myanmar, and Nepal

Identifiers

LSID urn:lsid:ipni.org:names:17017350-1
WFO ID wfo-0001126751
COL ID C8BF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Cyathea ornata Cyathea oldhamii Cyathea khasyana Alsophila oldhamii Alsophila pingbianica Alsophila scottiana Cyathea sikkimensis Alsophila sikkimensis Alsophila khasyana Gymnosphaera khasyana Alsophila ornata Alsophila latebrosa var. ornata Alsophila ornata var. sikkimensis