Picris squarrosa Steetz

Species

Angiosperms > Asterales > Asteraceae > Picris

Characteristics

Perennial, 20–120 cm high, sparingly to densely branched. Anchor hairs 2-hooked. Peduncles 1–15 (–20) cm long, peduncular bracts few to many, gradually transitioning into outer involucral bracts. Capitula few to > 70, 9–18 mm long and 5–9 mm wide at anthesis, (9–) 12–19 mm long and 6–10 mm wide in fruit. Involucre of 35–50 bracts in 3–4 outer and 2 inner rows, with longest outer bracts slightly, rarely clearly (1/2–1/4) shorter than inner bracts; outer involucral bracts distinctively squarrose, recurved, linear to ovate or obovate, acute, (4.2–) 5.0–17.5 mm long, 1.3–2.1 mm wide, not wider than inner bracts; margin glabrous or rarely with few simple hairs; midrib glabrous or with a single line of straight hairs 0.2–0.8 (–1.3) mm long. Achenes including cuspis 5.0–8.0 mm long; cuspis 0.7–2.6 mm long, c. (1/7–) 1/5–1/3 of total achene length.
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A herb. It grows 20-120 cm tall. The leaves at the base are 10-45 cm long by 1-4 cm wide. Flowers are yellow.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 1.2
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Found on coastal sand dunes, inland on riverbanks and alluvial river flats, often in Eucalyptus woodland (E. camaldulensis, E. largiflorens), in naturally disturbed areas and tracksides; vulnerable to urbanisation. 
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It is a temperate plant.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

Usage

The stems have been cooked and eaten.
Uses -
Edible stems
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

Picris squarrosa world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:237933-1
WFO ID wfo-0000128205
COL ID 4HQSB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Picris squarrosa Picris hieracioides var. squarrosa