Lapsanastrum apogonoides (Maxim.) Pak & K.Bremer

Japanese nipplewort (en)

Species

Angiosperms > Asterales > Asteraceae > Lapsanastrum

Characteristics

Herbs 5-25 cm tall, annual to biennial, rosulate, with a taproot. Stems several, slender, ascending, branched from basal half or higher up, pubescent or glabrous, distantly leafy. Rosette leaves oblanceolate, 3-15 × 1-2.5 cm, lyrately pinnatisect, base attenuate into a petiole-like portion, margin subentire to mucronulately sinuate-dentate; lateral lobes 2 or 3(or 4) pairs, ovate, elliptic, or hemispheric, apex mucronulate; terminal lobe ovate, rhombic, or elliptic, much larger than lateral ones, apex rounded and mucronulate. Stem leaves few, similar to basal leaves. Synflorescence laxly corymbiform to laxly paniculiform-corymbiform, with few to several capitula. Capitula nodding in fruit, with 6-10 florets; peduncle 1-5 cm. Involucre narrowly cylindric and 3-4 mm at anthesis, cylindric, campanulate, or obovoid and 4-6 mm in fruit. Phyllaries abaxially glabrous; outer phyllaries 3 or 4, ± ovate, longest 1-1.5 mm, apex acute and often purplish tipped; inner phyllaries 5(or 6). Achene straw-colored to yellowish brown, body 4-5 mm, minutely papillose, usually lateral main ribs apically prolonged into (1 or)2 slender hooked 0.2-1 mm appendages or rarely absent. Fl. and fr. Nov-Jun. 2n = 44.
More
Stems slender, weak, flattened. Leaves: basal blades 40–100 × 10–25 mm, dentate, apices obtuse. Phyllaries broadly lanceolate, thin, scarcely keeled, 4–5 mm, stellately spreading in fruit. Corollas 6–10 mm. Cypselae straight, 4–5 mm. 2n = 16.
Life form biennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination
Spread -
Mature width (meter) -
Mature height (meter) 0.25
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 4-7
Soil nutriment -
Hardiness (USDA) 6-11

Usage

Uses medicinal
Edible leaves seeds
Therapeutic use Fever (unspecified), Vitality (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Lapsanastrum apogonoides unspecified picture

Distribution

Lapsanastrum apogonoides world distribution map, present in China, Japan, Korea (Democratic People's Republic of), Taiwan, Province of China, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:981300-1
WFO ID wfo-0000089369
COL ID 3S9Y6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lapsanastrum apogonoides Lapsana apogonoides