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Thalictrum alpinum L.

Alpine meadow-rue (en), Pigamon des Alpes (fr)

Species

Angiosperms > Ranunculales > Ranunculaceae > Thalictrum

Characteristics

Plants 5--40 cm tall, glabrous. Roots fibrous. Rhizome slender. Stems simple or rarely branched, erect. Leaves 4 or more, all basal; petiole 1.5--3 cm; leaf blade pinnately 2-ternate, 1.5--4 cm; leaflets cuneate-obovate to orbicular-ovate, 3--5 × 3--5(--20) mm, thinly leathery, apex 3(--5)-lobed; lobes crenate. Inflorescence racemelike, few flowered; peduncle simple or branched. Pedicel erect or recurved at anthesis, recurved in fruit. Sepals early deciduous, purplish tinged, ovate to elliptic, ca. 2 mm. Stamens 7--10(--15); filament purplish, filiform; anther yellow, 1.2--3 mm, apex mucronate. Carpels (2--)3--5(--6); stigma purple, narrowly triangular, equaling ovary. Achenes shortly stipitate or sessile; body narrowly ovoid to lanceolate-obovoid, 2--3.5 mm; persistent style broadly triangular; veins ca. 8, stout. Fl. Jun--Aug.
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Stems erect, scapose, or nearly scapose with very slender rhizomes, (3-)5-20(-30) cm, glabrous. Leaves all basal or single cauline leaf near base, 2-10 cm. Leaf blade 2×-pinnately compound, proximal primary divisions ternate; leaflets cuneate-obovate to orbiculate, apically 3-5-lobed, 2-10 mm, surfaces glabrous. Inflorescences racemes, usually elongate, few flowered. Flowers: pedicels recurved in fruit; sepals early deciduous, purplish tinged, ovate or elliptic, 1-2.3(-2.7) mm; stamens 8-15; filaments purple; anthers bright yellow, 1.5-3 mm; stigmas purple. Achenes 2-6, nearly sessile; body lance-obovoid, 2-3.5 mm, with thick veins. 2 n = 14, 21.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination anemogamy
Spread epizoochory
Mature width (meter) -
Mature height (meter) 0.05 - 0.2
Root system fibrous-root rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 4-7
Soil humidity 5-8
Soil texture 1-2
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-8

Usage

Uses medicinal
Edible -
Therapeutic use Cathartics (root), Convalescence (root), Diuretics (root), Dyspepsia (root), General tonic for rejuvenation (root)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) 15 - 21
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Thalictrum alpinum leaf picture by Fabien Anthelme (cc-by-sa)
Thalictrum alpinum leaf picture by Fabien Anthelme (cc-by-sa)
Thalictrum alpinum leaf picture by Fabien Anthelme (cc-by-sa)

Flower

Thalictrum alpinum flower picture by Nina Autant (cc-by-sa)
Thalictrum alpinum flower picture by Genghis Attenborough (cc-by-sa)

Fruit

Thalictrum alpinum fruit picture by Reinhard Bachmann (cc-by-sa)

Distribution

Thalictrum alpinum world distribution map, present in American Samoa, Bhutan, Canada, China, France, India, Nepal, Pakistan, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:714201-1
WFO ID wfo-0000456250
COL ID 5623R
BDTFX ID 67461
INPN ID 126070
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Thalictrum marginatum Thalictrum bracteifilum Thalictrum duriusculum Thalictrum elegantulum Thalictrum leiophyllum Thalictrum monoense Thalictrum scopulorum Thalictrum subspensum Thalictrum microphyllum Thalictrum cheilanthoides Thalictrum alpinum var. hebetum Thalictrum alpinum var. alpinum Thalictrum alpinum var. gaspense Thalictrum alpinum var. microspermum Thalictrum alpinum var. nesioticum Thalictrum alpinum var. pudicum Thalictrum alpinum

Lower taxons

Thalictrum alpinum var. elatum Thalictrum alpinum subsp. udocanicum Thalictrum alpinum var. minutissimum
WorldFloraDB 2024