Swertia macrosepala Gilg

Species

Angiosperms > Gentianales > Gentianaceae > Swertia

Characteristics

Cushion-forming perennial herb with basal leaf rosette, with or without creeping stems rooting at the nodes.. Stems up to 0.4 m long, much branched from the base, erect or trailing.. Basal rosette leaves with ± winged petiole 10–14 mm long, blade lanceolate-spatulate, 17–42 mm long, 6–10 mm wide, obtuse; cauline leaves sessile, blade lanceolate-spatulate, 18–22 mm long, 6–7 mm wide, obtuse.. Inflorescence few-flowered, partial inflorescences either 3-or 1-flowered, flowers nodding; pedicels 13–31 mm, pedicel of the terminal flower always shorter than pedicels of lateral flowers; bracteoles lanceolate, 9–11 mm long, 2–4 mm wide, obtuse.. Flowers 5-merous.. Calyx lobes: 2 wider than others, longer than or as long as corolla lobes, oblong-lanceolate, 5–7(–7.5) mm long, 1.5–3 mm wide, obtuse to subacute.. Corolla white or greenish-white; tube very short, 0.5–0.7 mm long; lobes elliptic-lanceolate, 6.5–7 mm long, 2.5–3 mm wide, obtuse to subobtuse; nectary 1 per lobe, yellow, circular or oval, 1.6–1.7(–1.8) mm diameter, 0.1–0.2 mm away from base of lobes, indistinct, margin naked.. Stamens with filaments 3.5–3.7 mm long, scale-like projections absent at their attachment point to the corolla lobes; anther oblong, 0.8–0.9 mm long.. Ovary ovoid, 4–4.5 mm long, 2–2.5 mm diameter; style 0.3–0.5 mm long; stigma bilobed, lobes 0.4(–0.5) mm long, 0.5–0.6 mm wide, obtuse; parietal placentae indistinct.. Capsule ovoid, 5–9 mm long, 3–5 mm diameter.. Seeds brown, ± ellipsoidal, 1.2–1.7 mm diameter or length, surface with broken striations or interrupted ridge-like outgrowths.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
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Root system creeping-root
Rooting depth (meter) -
Root diameter (meter) -
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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°) -
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Conservation status

Swertia macrosepala threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:370971-1
WFO ID wfo-0001063713
COL ID 7B5SL
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Swertia macrosepala

Lower taxons

Swertia macrosepala subsp. microsperma