WorldFloraDB - Ranunculus rhomboideus

Characteristics

Stems erect, 5-22 cm, pilose or occasionally glabrous, each with 3-12 flowers. Roots slender, 0.8-1.8 mm thick. Basal leaves persistent, blades ovate to rhombic, undivided or rarely innermost 3-parted, 1.1-5.3 × 0.9-3.6 cm, base obtuse, margins crenate with 5 crenae, apex rounded. Flowers: pedicels pilose; receptacle pilose; sepals 4-6 × 1.5-3 mm, abaxially pilose, hairs colorless; petals 5, 6-8 × 2-4 mm; nectary scale glabrous. Heads of achenes depressed-globose, 4-6 × 5-7 mm; achenes 1.8-2.2 × 1.2-1.8 mm, glabrous; beak slender, curved, 0.2-0.3 mm. 2 n = 16.

More

Perennial, 1–2 dm at anthesis, spreading-hairy; basal lvs ovate-oblong to broadly ovate, 1–5 cm, long-petioled, crenate mostly above the middle, tapering to rounded at the base; cauline lvs sessile or subsessile, cleft into a few linear segments; fls few–several; pet oblong-elliptic, 5–9 mm, much surpassing the villous sep; achenes in a globose head, obliquely obovate, 2–2.8 mm, flattened below, turgid above; beak very short; 2n=16. Dry, open woods and prairies; Mich. and w. Ont. to Io., S.D., and Sask. Apr., May. (R. ovalis)

Life form

perennial

Growth form

herb

Growth support

-

Foliage retention

deciduous

Sexuality

hermaphrodite

Pollination

-

Spread

-

Mature width (meter)

-

Mature height (meter)

0.05 - 0.22

Root system

-

Rooting depth (meter)

-

Root diameter (meter)

-

Flower color

Blooming months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

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

Can be grown by seedlings.

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

Distribution

Identifiers

LSID	urn:lsid:ipni.org:names:713693-1
WFO ID	wfo-0000463343
COL ID	4RHLN
BDTFX ID	-
INPN ID	-
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ranunculus ovalis Ranunculus ovalifolius Ranunculus rhomboideus

WorldFloraDB 2024

Ranunculus rhomboideus Goldie

Labrador buttercup (en)

Species