Gentiana tetraphylla Kusnezow.

Species

Angiosperms > Gentianales > Gentianaceae > Gentiana

Characteristics

Perennials 8-13 cm tall. Stems ascending, simple, papillate. Basal rosette leaves absent or poorly developed; leaf blade triangular, 3-7 × 1-1.5 mm, membranous, apex acute. Stem leaves in whorls of 4 (or 5), larger and more crowded toward apex, uppermost leaves surrounding calyx; leaf blade base connate for 2-3 mm, margin smooth, apex obtuse, midvein abaxially distinct. Lower to middle stem leaves oblong to ovate, 2-3 × 1-1.5 mm, apex acute; upper leaves linear-spatulate to narrowly oblong, 4-8 × 1-1.5 mm. Flowers terminal, solitary, sessile, 6-8-merous. Calyx tube narrowly obconic, 0.9-1.2 cm; lobes linear-spatulate to narrowly oblong, 4-5 mm, herbaceous, base narrowed, margin smooth, apex obtuse, midvein distinct. Corolla pale blue, with pale yellow base and dark blue stripes, tubular to tubular-campanulate, 4-4.5 cm; lobes ovate, 2-2.5 mm, margin denticulate, apex obtuse with a caudate tip less than 1 mm; plicae oblong to broadly ovate, 0.8-1 mm, margin denticulate, apex obtuse. Stamens inserted just below middle of corolla tube; filaments 0.9-1.1 cm; anthers ellipsoid, 2-2.5 mm. Ovary ovoid-ellipsoid, 7-8 mm; gynophore 0.9-1.1 cm. Style 4-4.5 mm; stigma lobes linear. Fl. Aug.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.08 - 0.13
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 -
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 tetraphylla world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:369024-1
WFO ID wfo-0000698798
COL ID 3FMXL
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Gentiana quaterna Gentiana tetraphylla Gentianodes tetraphylla Gentiana x quaterna Gentiana quaterna subsp. longiflora Gentiana quaterna var. octoloba Gentiana quaterna subsp. sankarensis