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Ranunculus lappaceus Sm.

Australian buttercup (en)

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus

Characteristics

Tufted perennial; roots fibrous to (rarely) fleshy-subtuberous. Leaves mostly basal; petioles 2–30 cm long with spreading and/or appressed hairs; lamina ovate to deltate in outline, 1.5–8 (–11) cm long and wide, deeply trifid to (usually) trifoliolate, leaflets deeply dissected or lobed, sometimes ± biternate, appressed-hirsute, sometimes with well developed petiolules. Flowering stems (1–) 2–10-flowered, 4–70 (–170) cm high, with spreading and/or appressed hairs. Sepals 5, spreading, elliptic, 4–7 (–10) mm long, hairy below. Petals 5, obovate-cuneate, 7–17 (–22) mm long, obtuse, bright yellow; nectary near petal-base, with lobe cuneate, c. 1–2.8 mm long, free for most of length. Stamens 40–110. Pistils 20–50. Receptacle glabrous in stamen zone, hirsute above. Achenes lenticular, obovate-cuneate, 1.7–3.5 mm long; margin narrowly ridged; lateral faces smooth or dimpled; beak slender, 0.8–1.8 mm long, arched, tip recoiled.
More
Tufted herb up to 15 cm. or more tall, densely to sparsely hairy. Stock rather stout, erect, sts multicipital. Lvs us.(, radical, on petioles up to 5 cm. or more long. Lamina (0·5)-1-2-(4) cm. diam.; broad ovate to suborbicular in outline, 3-lobed to 3-foliolate, or variously toothed, rarely subentire. Scapes few to many, nude, 1-fld, us. elongating in fruit. Fls small to rather large, pale to golden yellow; sepals 5, spreading; petals 5 (rarely more) obovate to oblong; gland 1 near base. Fruiting heads small; achenes compressed to slightly swollen, glab., margined; style us. rather strongly hooked.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.5
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Grows in moist grassland, woodland and forest, occasionally in drier places amongst rocks.
Light 7-9
Soil humidity 5-7
Soil texture 1-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-10

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 10
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -18
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Ranunculus lappaceus unspecified picture

Distribution

Ranunculus lappaceus world distribution map, present in Australia and New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:713057-1
WFO ID wfo-0000460857
COL ID 6X54K
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ranunculus lappaceus Ranunculus lappaceus var. pubescens
WorldFloraDB 2024