Youngia japonica subsp. longiflora Babc. & Stebbins

Subspecies

Angiosperms > Asterales > Asteraceae > Youngia > Youngia japonica

Characteristics

Herbs usually 30-90 cm tall. Stems solitary or few, leafless or leafy. Basal leaves to 23 × 7 cm, lyrately pinnatilobate, lyrately pinnatipartite, inconspicuously runcinate-pinnatilobate, or runcinate-pinnatipartite; lateral lobes 3-8 pairs, opposite to obliquely opposite, elliptic, triangular, or rhombic, gradually smaller toward leaf base, apex rounded, obtuse, or acute; terminal lobe elliptic to ovate, apex rounded. Stem leaves absent or similar to basal leaves but gradually smaller and less divided upward on stem. Capitula with 15-20 florets. Involucre cylindric, 6-7 mm. Phyllaries in 4 rows, abaxially glabrous; outer phyllaries to 1.5 mm. Anther tube usually 3?-4 mm. Achene usually dark purple brown, 2-2.5 mm. Pappus ca. 3.5 mm. Fl. and fr. Mar-Aug.
Life form annual
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.9
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) 6-11

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
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Vigor -
Productivity -

Distribution

Youngia japonica subsp. longiflora world distribution map, present in China and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:51030982-1
WFO ID wfo-0000090816
COL ID 5LTMS
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Youngia taiwaniana Youngia longiflora Youngia japonica subsp. longiflora Crepis japonica subsp. longiflora