WorldFloraDB - Ranunculus urvilleanus

Characteristics

Tufted perennial, to 80 cm tall; rhizome 0. Stems erect, with long fine spreading hairs below and short appressed hairs above. Basal and lower cauline lvs ternate, hairy; leaflets stalked, broadly ovate, deeply ternatifid to 3/4 way, 3-5 × 3-5 cm; lobes again 3-lobed and deeply sharply toothed; petioles 15-30 cm long, with spreading hairs. Cauline lvs similar to basal, but smaller with fewer and narrower segments. Fls many per stem, 8-12-(15) mm diam.; pedicels sulcate, 5-8-(15) cm long, with appressed hairs; bracts linear, acute. Sepals weakly reflexed at flowering, hairy. Petals 5, yellow, oblong to obovate; nectary single, very near petal base, covered by a truncate scale. Receptacle hairy. Achenes 30-50 in globose heads, rather dark, flattened, glabrous; body 2.5-3 mm long; beak hooked, c. 0.7 mm long.

More

Slender, erect or spreading, branching, ± pilose herb up to 6 dm. or more tall. Stock rather stout, erect. Radical lvs ∞, on slender petioles up to ± 35 cm. long; lamina 3-5-(10)cm. long, 3-foliolate to ternately divided; lflts deeply lobed, terminal one on petiolule up to 15 mm. long. Cauline lvs similar, smaller. Fls ± 1 cm. diam. on branched infl.; pedicels up to ± 10 cm. long; sepals 5-(4), at length reflexed, silky-hairy on dorsal surface; petals 5, bright yellow, later pale, obovate-oblong, rounded at apex; gland 1, basal. Fruiting heads globose; achenes glab., ± 3 × 2 mm., compressed, obliquely oval, margins thickened; style rather long, flattened at base, strongly curved.

Life form
Growth form	herb
Growth support	-
Foliage retention	deciduous
Sexuality	hermaphrodite
Pollination	-
Spread	-
Mature width (meter)	-
Mature height (meter)	0.8
Root system	rhizome
Rooting depth (meter)	-
Root diameter (meter)	-
Flower color
Blooming months	-
Fruit color	-
Fruiting months	-
Nitrogen fixer	-
Photosynthetic pathway	-

Environment

Light	-
Soil humidity	-
Soil texture	-
Soil acidity	-
Soil nutriment	-
Hardiness (USDA)	-

Usage

Uses	-
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°)	-
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-

Images

Ranunculus urvilleanus unspecified picture

Distribution

Identifiers

LSID	urn:lsid:ipni.org:names:714054-1
WFO ID	wfo-0000463439
COL ID	4RJ3L
BDTFX ID	-
INPN ID	-
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ranunculus urvilleanus

WorldFloraDB 2024

Ranunculus urvilleanus Cheeseman

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus