Spenceria Trimen

Genus

Angiosperms > Rosales > Rosaceae

Characteristics

Herbs perennial, white villous throughout. Rhizome woody, densely covered with remains of old petioles. Stems erect, terete, simple. Radical leaves: stipules ovate, herbaceous, adnate to petiole; petiole sheathing at base; leaf blade imparipinnate; leaflets opposite, rarely alternate, broadly elliptic or obovate-oblong; cauline leaves few, with few leaflets, or simple and then margin 3-lobed or 2-or 3-serrate. Inflorescences terminal, laxly racemose; bract entire or 3-lobed; involucre close to petals, cupular, 7-or 8-lobed, lobes narrowly ovate to lanceolate. Hypanthium obconic. Sepals 5, valvate, broadly linear to lanceolate, persistent; epicalyx segments 5, semiorbicular or triangular. Petals 5, golden or cream, oblanceolate to obovate. Stamens 30–40, in 2 or 3 series; filaments dilated and connate at base, persistent. Carpels (1 or)2, at base of hypanthium, apically villous; ovary ovoid-cylindric; ovule 1, pendulous; style subterminal, filiform, long exserted from hypanthium; stigma minute. Fruit composed of flower parts excluding deciduous petals, dry and somewhat hardened. Achene 1, subglobose, with thin coat, enclosed in hypanthium. Seed lacking endosperm; cotyledons subsquare, large.
Life form
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
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Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Distribution

Spenceria world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:34045-1
WFO ID wfo-4000035923
COL ID 7K9F
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Spenceria

Lower taxons

Spenceria ramalana