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Ranunculus pachyrrhizus Hook.F.

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus

Characteristics

Small matted depressed herb up to 4 cm. tall, ± clad in long soft hairs. Stock stout, fleshy, creeping, branched, ± 5 mm. diam.; roots thick, fleshy. Lvs all radical, ± fleshy, crowded at tips of stock branches on flattened fleshy petioles up to 3 cm. long, clad in long weak hairs; sheath short, pilose. Lamina cuneate to obovate-cuneate, 1-2 cm. diam.; deeply 3-lobed, lobes again deeply 3-partite; ultimate segs up to 5 mm. long, linear to narrow-oblong. Scape 1-fld, up to 25 mm. long, stout; fls ± 1-2 cm. diam. Sepals 5, narrow-oblong, silky membr.; petals (5)-10-15, obovate-spathulate, bright yellow; gland 1 (sts 2-3) near base. Fruiting heads globose, 8-10 mm. diam.; receptacle pilose; achenes turgid, glab, to sparsely hairy; style stout, subulate.
More
Perennial up to 4 cm tall; rosettes tufted at tips of a stout branching rhizome which is often exposed on ground surface. Lvs 1-2-ternatifid, fleshy, softly hairy, 1.5-3 cm long. Scapes 1-flowered, hairy. Fls 1.5-2.5 cm diam. Sepals spreading, hairy. Petals 8-15, yellow, linear-obovate; nectaries 1-(3), 2-4 mm from petal base, shallow, naked. Receptacle hairy. Achenes (50)-60-80, turgid, glabrous or sparsely hairy; body c. 1 mm long; beak stout, straight, c. 1 mm long.
Life form
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.04
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

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°) 14 - 16
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Ranunculus pachyrrhizus unspecified picture

Distribution

Ranunculus pachyrrhizus world distribution map, present in New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:713405-1
WFO ID wfo-0000462895
COL ID 78T55
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ranunculus pachyrrhizus
WorldFloraDB 2024