Swertia younghusbandii Burkill

Species

Angiosperms > Gentianales > Gentianaceae > Swertia

Characteristics

Perennials 5-30 cm tall. Rhizomes blackish, short, with few slightly fleshy rootlets. Stems erect, striate, simple, base sheathed by blackish remains of old petioles. Basal leaves petioles flattened, 1-2.5 cm, base connate; leaf blade linear-elliptic, 2.5-4.5 cm × 6-8 mm, base narrowed, apex obtuse, veins 1-3. Stem leaves sessile, 2.5-6 cm × 3-7 mm, base obtuse to rounded and subamplexicaul, apex obtuse, midvein distinct. Flower solitary and terminal, rarely 2 or 3(-6) in apparent raceme, 5merous. Pedicel purple, erect, 3.5-10.5 cm. Calyx lobes linear to linear-lanceolate, 1.1-2 cm, apex acuminate, veins 1-3. Corolla yellow, blue in middle of outer surface, 2.5-3.2 cm in diam., tube 1.5-2 mm; lobes elliptic to ovate-elliptic, 2-2.5 cm, apex obtuse to rounded. Nectaries 2 per corolla lobe, cupular, with pilose fimbriae 4.5-5 mm. Filaments 1-1.2 cm, base few barbate; anthers blue, ellipsoid, 2.5-3 mm. Style indistinct; stigma lobes suborbicular. Capsules ovoid-ellipsoid, 0.8-1.2 cm. Fl. Sep.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.3
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
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Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Hardiness (USDA) -

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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Productivity -

Distribution

Swertia younghusbandii world distribution map, present in China and India

Identifiers

LSID urn:lsid:ipni.org:names:371145-1
WFO ID wfo-0001063837
COL ID 53JZG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Swertia younghusbandii