Asarum macranthum Hook.F.

Species

Angiosperms > Piperales > Aristolochiaceae > Asarum

Characteristics

Herbs. Rhizomes vertical, 2-3 mm in diam., internodes less than 1 cm. Leaves solitary; petiole streaked reddish brown, 10-20 cm, glabrous; leaf blade abaxially greenish, purple along principal veins, adaxially greenish with yellow-green blotches, triangular-ovate, 10-13 cm, both surfaces sparsely pubescent, base deeply cordate, lateral lobes rounded, 1-1.5 × 2-2.5 cm, apex acute; cataphylls broadly ovate, 0.8-1 × 0.6-0.8 cm. Peduncle ascending to erect, ca. 0.9 cm. Calyx dark purple, campanulate, 3-3.5 × 5-6 cm; sepals connate beyond attachment to ovary, abaxially glabrous; tube obconic, ca. 1.7 × 2 cm, strongly constricted at throat, adaxially tessellate, orifice ring 4-5 mm wide, broadly laminate; lobes broadly ovate, ca. 2.5 × 2 cm, base with papillate-corrugate area, undulate along margin. Stamens 12, oblong; filaments much shorter than anthers; connectives slightly extended beyond anthers, notched; staminodes 3, petaloid. Ovary superior. Styles free, apex hooked; stigmas lateral, linear-oblong. Fl. May.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.2
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 1-6
Soil humidity 5-7
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) 7 - 30
Germination temperacture (C°) 15 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Asarum macranthum world distribution map, present in China and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:93532-1
WFO ID wfo-0000550900
COL ID H4SF
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Asarum infrapurpureum Asarum taitonense Asarum albomaculatum Asarum macranthum Heterotropa taitonensis Heterotropa infrapurpurea Heterotropa macrantha Heterotropa albomaculata