Sonchus kirkii Hamlin

Species

Angiosperms > Asterales > Asteraceae > Sonchus

Characteristics

Biennial to perennial. Roots tap and fibrous; taproot swollen above. Stem erect, simple or branching above, finely grooved or ribbed, glabrous, (5)-15-60-(100) cm tall. Lvs thick, glaucous, dull, glabrous, lanceolate to narrowly oblong to linear-oblanceolate, (3)-8-20-(55) × (1)-3-6-(15) cm; margins dentate. Rosette and lower stem lvs tapering to base, pinnatifid to < 1/2 way to midrib; lobes broadly triangular, spreading or slightly deflexed. Upper lvs not lobed, narrowly triangular to linear or narrowly oblanceolate, with ± rounded amplexicaul auricles at base. Infl. cymose to umbellate; capitula few to many. Involucre 10-15 mm long, turbinate to cylindric; bracts imbricate, recurved at fruiting, glabrous or sometimes the outer with a row of median broad-based trichomes, occasionally densely white-tomentose at base. Receptacle glabrous. Florets 11/2× length of involucre; corolla tube slightly > ligule; ligules spreading, yellow. Achenes elliptic, brown, strongly flattened, (3)-3.5-4 × 1.3-1.8 mm, 3-ribbed on each face, winged; spaces between ribs smooth; wings and ribs smooth. Pappus fine, white, c. = involucre.
More
A herb.
Life form
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.6
Root system fibrous-root tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Wet coastal cliffs and talus, rarely on sand or salt meadow. A coastal plant, growing on cliff faces in or around damp seepages, preferring base-rich rocks. Declining in the wild due to competition from introduced species.
More
It is a temperate plant.
Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) -

Usage

The young leaves are eaten raw or cooked.
Uses -
Edible leaves
Therapeutic use -
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

Sonchus kirkii unspecified picture

Distribution

Sonchus kirkii world distribution map, present in New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:250199-1
WFO ID wfo-0000067737
COL ID 6Z6NQ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Sonchus littoralis Sonchus littoralis Sonchus oleraceus var. littoralis Sonchus kirkii