Ixeridium transnokoense (Sasaki) Pak & Kawano

Species

Angiosperms > Asterales > Asteraceae > Ixeridium

Characteristics

Herbs 10-20 cm, perennial, with fibrous and spreading shoot-bearing roots. Stems solitary or few, delicate, erect or ascending, often branched already from lower half, ± glabrous, not or very sparsely leafy. Basal leaves crowded, usually present at anthesis, ± narrowly elliptic to linear-elliptic, 2-9 × 0.3-0.8 cm, undivided, base attenuate into an often unwinged petiole-like portion and semiamplexicaul, margin entire or with a few slender or fine teeth or shallowly and remotely sinuate-dentate, apex acute and often mucronate. Stem leaves 1-3, linear-elliptic, smaller than basal leaves, otherwise similar but upward on stem soon reduced to bracts. Synflorescence loosely corymbiform, with few to several capitula. Capitula with 5 or 6 florets; peduncle capillaceous. Involucre narrowly cylindric, 7-8 mm. Phyllaries abaxially glabrous; outer phyllaries 4 or 5, ovate, less than ca. 1 mm, apex acute; inner phyllaries 5. Florets yellow, much exceeding involucre. Anther tube and style greenish to blackish upon drying. Achene pale brown, subfusiform, 4-5 mm, apex attenuate into a slender 1-1.5 mm beak. Pappus yellowish, 4-5 mm. Fl. and fr. Jun-Jul. 2n = 14*.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.2
Root system fibrous-root
Rooting depth (meter) -
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Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Soil acidity -
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Hardiness (USDA) -

Usage

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

Cultivation

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

Distribution

Ixeridium transnokoense world distribution map, present in China and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:972109-1
WFO ID wfo-0000071980
COL ID 3QFFX
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lactuca transnokoensis Ixeris transnokoensis Ixeridium transnokoense