Swertia marginata Schrenk

Species

Angiosperms > Gentianales > Gentianaceae > Swertia

Characteristics

Perennials 15-35 cm tall. Rhizomes blackish, short, with few slightly fleshy rootlets. Stems erect, simple, base sheathed by blackish remains of old petioles. Basal leaves 3 or 4 pairs; petiole flattened, 3-7.5 cm; leaf blade linear-elliptic to oblanceolate, 3-8 × 0.8-2.5 cm, base narrowed, apex obtuse, veins 3-5. Stem leaves 1 or 2 pairs, sessile or short petiolate; leaf blade bractlike, linear-elliptic to ovate-elliptic, 1.5-3.5 cm × 4-10 mm, both ends obtuse, veins 1-3. Inflorescences narrow, interrupted, many-flowered thyrses 8-15 cm. Flowers 5merous. Pedicel 0.5-1.5 cm. Calyx lobes lanceolate, 8-10 mm, margin broadly membranous and distinct, apex acuminate, veins 3. Corolla yellow, blue on middle of outer surface, 1.3-1.5 cm in diam., tube 1.5-2 mm; lobes oblong to narrowly so, 1-1.2 cm, margin erose, apex rounded. Nectaries 2 per corolla lobe, cupular, with pilose fimbriae 3-4 mm. Filaments 7-9 mm, base fimbriate-barbate; anthers blue, ellipsoid, 2-2.5 mm. Style indistinct; stigma lobes oblong to suborbicular. Capsules narrowly ovoid, as long as persistent corolla. Seeds brown, ellipsoid, 1.2-2 mm, longitudinally rugose. Fl. and fr. Aug-Sep.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.18 - 0.28
Root system fibrous-root rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Alpine meadows, pebbles, and stony meadows in the high-mountain zone
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-10

Usage

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

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Swertia marginata world distribution map, present in Afghanistan, China, Kazakhstan, Kyrgyzstan, Liberia, Mongolia, and Tajikistan

Identifiers

LSID urn:lsid:ipni.org:names:370977-1
WFO ID wfo-0001063624
COL ID 7B5T7
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Swertia pseudopetiolata Swertia komarovii Swertia marginata