Gentiana viatrix Harry Sm.

Species

Angiosperms > Gentianales > Gentianaceae > Gentiana

Characteristics

Perennials 8-15 cm tall. Stems ascending, simple, papillate. Basal rosette leaves poorly developed; leaf blade triangular, 3-7 × 1-1.5 mm, membranous, apex acute. Stem leaves sessile, in whorls of 5 (or 6), larger toward apex, uppermost leaves surrounding calyx, base connate for 2-3 mm, margin smooth, apex obtuse, midvein distinct. Lower stem leaves withered at anthesis, linear-spatulate, 2-3 × 1-1.5 mm; middle to upper leaves linear to linear-lanceolate, 5-7 × 1.5-2 mm, apex acuminate. Flowers terminal, solitary, sessile, 5merous. Calyx tube narrowly obconic, 6-8 mm; lobes linear-spatulate, 4-4.5 mm, herbaceous, base narrowed, margin smooth, apex obtuse, midvein distinct. Corolla blue, with dark blue streaks, narrowly obconic, 3.5-5 cm; lobes broadly triangular, 2-3 mm, margin entire, apex obtuse with a caudate tip 1-2 mm; plicae broadly ovate, 1-1.5 mm, margin erose, apex obtuse. Stamens inserted at basal part of corolla tube; filaments 8-10 mm; anthers narrowly ellipsoid, 2-2.5 mm. Ovary narrowly ellipsoid, 0.9-1.1 cm; gynophore 1.1-1.5 cm. Style 5-7 mm; stigma lobes linear. Fl. Jul-Sep.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.08 - 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) -

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 viatrix world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:369100-1
WFO ID wfo-0000698935
COL ID 3FMZX
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gentiana viatrix