Parnassia davidii Franch.

Species

Angiosperms > Celastrales > Celastraceae > Parnassia

Characteristics

Stems 2 or 3, ca. 23 cm, with 1 leaf near middle or distally. Basal leaves 4 or 5; petiole 4-6 cm; leaf blade abaxially greenish, adaxially deep green, densely purple-brown punctate, reniform, ovate, or suborbicular, 1.8-2 × 2.2-2.5 cm, base subcordate, subtruncate, truncate, or rarely subcuneate, apex rounded, often apiculate. Cauline leaf sessile, semiamplexicaul, similar to basal ones but smaller, base often with several rusty brown appendages sometimes connate into small lamellae. Flower ca. 2.5 cm in diam.; hypanthium inconspicuous. Sepals adaxially densely purple-brown punctate, oblong, ca. 5 × 3 mm, margin entire, apex rounded. Petals white, densely purple-brown punctate, oblong, ca. 1.4 cm × 6.5 mm, conspicuously 3-veined, base cuneate, margin fimbriate, apex rounded. Anthers oblong, ca. 2.2 mm; filaments ca. 8 mm; staminodes ca. 4.5 mm, 3-7-branched to middle. Ovary superior, depressed globose; style ca. 1.2 mm; stigma 3-lobed, lobes reflexed and persistent after anthesis. Capsule unknown. Fl. Jul-Aug.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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 medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 180
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Parnassia davidii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:792077-1
WFO ID wfo-0001228092
COL ID 763CC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Parnassia davidii Parnassia davidii var. davidii