Malacothrix sonchoides Torr. & A.Gray

Sowthistle desertdandelion (en)

Species

Angiosperms > Asterales > Asteraceae > Malacothrix

Characteristics

Annuals, (5–)10–25(–50) cm. Stems 1–5, ascending to erect, branched near bases and distally, usually glabrous (sometimes glaucous), rarely stipitate-glandular. Cauline leaves: proximal narrowly oblong to elliptic, pinnately lobed (lobes 3–8+ pairs, oblong to triangular, ± equal, apices obtuse to acute), ± fleshy, ultimate margins dentate to denticulate, faces glabrous; distal reduced (narrowly triangular to linear, bases ± dilated, ± clasping). Calyculi of 8–12+, ovate to lanceolate bractlets, hyaline margins 0.05–0.3(–0.7) mm wide, usually glabrous (margins sometimes stipitate-glandular). Involucres ± campanulate to hemispheric, 7–13 × 4–6(–12+) mm. Receptacles bristly. Florets 75–115; corollas lemon yellow, 10–14(–16) mm; outer ligules exserted 6–10(–13) mm. Cypselae ± cylindro-fusiform to prismatic, 1.8–3 mm, ribs extending to apices, ± equal or 5 more prominent than others; pappi persistent, crenate crowns of 15–25+, blunt or rounded teeth. Pollen 70–100% 3-porate. 2. = 14.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.25
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Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Nitrogen fixer -
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Environment

Light -
Soil humidity -
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Hardiness (USDA) 4-10

Usage

Uses medicinal
Edible -
Therapeutic use Antiemetic (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Images

Malacothrix sonchoides unspecified picture

Distribution

Malacothrix sonchoides world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:231685-1
WFO ID wfo-0000098825
COL ID 3XL3X
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Leptoseris sonchoides Malacothrix runcinata Malacothrix sonchoides Malacothrix sonchoides var. sonchoides