Swertia patens Burkill

Species

Angiosperms > Gentianales > Gentianaceae > Swertia

Characteristics

Perennials 10-15 cm tall. Roots 3-4 mm in diam., fibrous. Stems ascending, 5-7-cespitose, subquadrangular, narrowly winged and papillate on angles, simple. Leaves mostly basal, crowded in a rosette, short petiolate; leaf blade narrowly spatulate to oblanceolate, 1.5-6.5 cm × 4-5 mm including petiole, base narrowed, apex obtuse, midvein distinct. Stem leaves sessile or short petiolate; leaf blade narrowly linear, narrowly elliptic, or spatulate, 1.5-3.8 cm × 2-4 mm, base narrowed, apex acuminate to obtuse, midvein distinct. Cymes terminal and axillary, few flowered. Flowers 4-merous. Pedicel erect, 1-2.2 cm, thick. Calyx lobes green, bractlike, base rounded to cordate, apex acuminate, unequal; 2 lobes ovate-lanceolate, 2-2.8 cm × 5-9 mm; other 2 lobes lanceolate, 1-2 cm × to 5 mm; veins 3-7, indistinct. Corolla white, with purple veins, 2.5-3 cm in diam., tube 1-2 mm; lobes ovate-oblong, 1.3-1.5 cm × to 6 mm, apex obtuse and mucronate. Nectaries 2 per corolla lobe, pocket-shaped, with a triangular scale and many short fimbriae. Filaments ca. 7 mm; anthers blue, ellipsoid, ca. 2.5 mm. Ovary ovoid-ellipsoid, 8-10 mm. Style short, distinct; stigma lobes capitate. Fl. Jul-Aug.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.15
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-10

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

Swertia patens world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:371018-1
WFO ID wfo-0001063848
COL ID 53JVF
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Swertia patens Pleurogyne mairei Pleurogyne vaniotii Pleurogyne mairei var. rubropunctata