Launaea polydichotoma (Ostenf.) Amin ex N.Kilian

Species

Angiosperms > Asterales > Asteraceae > Launaea

Characteristics

Herbs 15-50 cm tall, perennial, spheroid. Caudex without residue of fibrous and lacerate sheath, with many stems. Stems erect, hardened to herbaceous, intricately and divaricately branched from base. Lower stem leaves sessile, linear, 0.5-4 × 0.2-0.5 cm, base semiamplexicaul, apex obtuse; leaves higher up on stem reduced and narrowly spatulate to narrowly lanceolate and finally reduced to ovate-acute bracts. Synflorescence divaricately paniculiform, with numerous capitula. Capitula with 5-11 florets; peduncle subulate and after shedding of capitulum hardened and subspinescent. Involucre cylindric, 9-12 × 2-3 mm. Phyllaries glabrous, with indistinct scarious margin; outer phyllaries triangular-ovate to lanceolate, longest ca. 3/4 as long as inner phyllaries; inner phyllaries (4 or)5. Achene pale yellow to yellowish brown, homomorphic, cylindric to obcolumnar, 3-5 mm, with 5 main ribs, transversely wrinkled, apex truncate. Pappus 7-10 mm, deciduous. Fl. and fr. May-Sep.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.5
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) 6-10

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°) -
Size -
Vigor -
Productivity -

Distribution

Launaea polydichotoma world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:997829-1
WFO ID wfo-0000016008
COL ID 6P4LV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Hexinia polydichotoma Chondrilla polydichotoma Zollikoferia polydichotoma Launaea polydichotoma