Gentiana piasezkii Maxim.

Species

Angiosperms > Gentianales > Gentianaceae > Gentiana

Characteristics

Annuals 7-10 cm tall. Stems purple, ascending to erect, branched from base, densely papillate. Basal leaves with petiole 2-3 mm; leaf blade involucriform, narrowly elliptic, ovate-elliptic, or ovate, 1.7-2 cm × 4-6 mm, margin densely ciliolate, apex acute to obtuse, veins 1-3. Stem leaves widely spaced; petiole 1-1.5 mm, entirely connate; leaf blade lanceolate, narrowly elliptic, or rarely ovate, 5-9 × 2-3 mm, base obtuse, margin densely ciliolate, apex obtuse, veins 1-3. Flowers few to many. Pedicel purple, 4-8 mm, surrounded by upper leaves, densely purple papillate. Calyx narrowly obconic, 1-1.2 cm; lobes triangular, 2.5-3 mm, apex acute, midvein strongly keeled and decurrent basally into conspicuous wings of calyx tube. Corolla blue-purple to purple, with pale yellow-green base, and with blackish short lines in throat, salverform, 1.7-2.2 cm; lobes ovate, 4-5 mm, margin entire, apex obtuse; plicae ovate, 2-3 mm, margin entire or 2cleft. Stamens inserted at middle of corolla tube, equal; filaments 4-5 mm; anthers narrowly ellipsoid, 1.5-2 mm. Style 2-4 mm; stigma lobes linear. Capsules narrowly obovoid, 6-8 mm, apex long attenuate; gynophore to 2.5 cm. Seeds light brown, ellipsoid, 1-1.2 mm. Fl. and fr. Apr-Sep.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.07 - 0.1
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) 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 piasezkii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:368674-1
WFO ID wfo-0000698250
COL ID 6KB93
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Varasia piasezkii Gentiana piasezkii

Lower taxons

Gentiana piasezkii subsp. pubicaulis