Gentiana altigena Harry Sm.

Species

Angiosperms > Gentianales > Gentianaceae > Gentiana

Characteristics

Perennials 3-7 cm tall. Stems numerous, ascending, simple, papillate. Basal rosette leaves few, indistinct; leaf blade triangular, 4-8 × 1.5-2 mm, membranous, apex acute. Stem leaves larger toward apex, uppermost leaves surrounding calyx; petiole membranous, papillate, petiole tube 1.5-2 mm; leaf blade base obtuse, margin ciliolate, apex obtuse, midvein distinct. Lower stem leaves withered at anthesis, elliptic to ovate-orbicular, 3-4.5 × 1.5-2.5 mm; middle to upper leaves lanceolate to elliptic, 6-9 × 1.5-3 mm. Flowers terminal, solitary, sessile. Calyx tube tubular, 4-5 mm, membranous; lobes spreading, lanceolate to elliptic, 4-6 mm, herbaceous, base slightly narrowed, margin ciliolate, apex obtuse, midvein distinct. Corolla blue, with dark blue streaks, usually closed, tubular, 1.5-2 cm; lobes ovate, 3-3.5 mm, margin entire, apex obtuse; plicae ovate, 1-1.2 mm, margin entire, apex obtuse. Stamens inserted at middle of corolla tube; filaments 5-6 mm; anthers narrowly ellipsoid, 1-1.5 mm. Style 1.5-2 mm; stigma lobes linear. Capsules ellipsoid to ovoid-ellipsoid, 5-8 mm; gynophore to 8 mm. Seeds light brown, broadly ellipsoid to subglobose, 0.6-0.8 mm. Fl. and fr. Aug-Oct.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.07
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

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

Cultivation

Mode -
Germination duration (days) 14 - 180
Germination temperacture (C°) -
Germination luminosity dark
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Gentiana altigena world distribution map, present in China and India

Identifiers

LSID urn:lsid:ipni.org:names:367739-1
WFO ID wfo-0000696840
COL ID 3FLQC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gentiana altigena