WorldFloraDB - Ranunculus pensylvanicus

Characteristics

Stems erect, never rooting nodally, hispid, base not bulbous. Roots never tuberous. Basal leaf blades broadly cordate in outline, 3-foliolate, 1.6-7 × 3-9 cm, leaflets cleft, usually deeply so, ultimate segments narrowly elliptic, margins toothed, apex acute. Flowers: receptacle hirsute; sepals reflexed ca. 1 mm above base, 3-5 × 1.5-2 mm, ± hispid; petals 5, yellow, 2-4 × 1-2.5 mm. Heads of achenes cylindric, 9-12 × 5-7 mm; achenes 1.8-2.8 × 1.6-2 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, broadly lanceolate or nearly deltate, straight or nearly so, 0.6-0.8 mm. 2 n = 16.

More

Spreading-hairy annual or perennial, erect, simple or branched, 3–7 dm; basal lvs soon withering, cauline few, petioled; lf-segments 3, the terminal one stalked, all deeply 3-lobed, the lobes toothed or incised; fls few, short-pedicellate; pet obovate, 2–4 mm, shorter than the reflexed sep; anthers 0.7–1 mm; achenes in a cylindric or ovoid-cylindric head mostly 10–15 mm, subrotund, 1.8–2.7 mm, sharply margined; beak flat-subulate, 0.6–1.4 mm, straight or curved; 2n=16. Marshes, ditchbanks, and wet meadows; Nf. to Alas. and e. Asia, s. to N.J., Pa., O., n. Ind., n. Ill., Minn., and Ariz. July, Aug.

Life form

Growth form

herb

Growth support

-

Foliage retention

deciduous

Sexuality

hermaphrodite

Pollination

-

Spread

-

Mature width (meter)

-

Mature height (meter)

1.2

Root system

-

Rooting depth (meter)

0.1

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	dye medicinal
Edible	-
Therapeutic use	Hunting Medicine (seed), Dermatological Aid (unspecified), Corn (unspecified)
Human toxicity	-
Animal toxicity	-

Cultivation

Can be grown by divisions or seedlings.

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

Images

Ranunculus pensylvanicus unspecified picture

Distribution

Identifiers

LSID	urn:lsid:ipni.org:names:713481-1
WFO ID	wfo-0001129265
COL ID	4RHB9
BDTFX ID	-
INPN ID	-
Wikipedia (EN)	Link
Wikipedia (FR)

Synonyms

Ranunculus trifolius Ranunculus pensylvanicus Ranunculus canadensis

WorldFloraDB 2024

Ranunculus pensylvanicus L.F.

Pennsylvania buttercup (en)

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus