Geranium platyanthum Duthie

Species

Angiosperms > Geraniales > Geraniaceae > Geranium

Characteristics

Perennials. Rootstock ± horizontal, 6-11 mm in diam., not tuberculate, with thickened roots along rootstock. Stem 29-66 cm tall, erect, not rooting at nodes, with 0.6-1.5 mm patent nonglandular trichomes and usually 0.4-1 mm patent glandular trichomes. Stipules lanceolate, distinct. Leaves 1(or 2) alternate but opposite at inflorescence; petiole with 0.4-1.7 mm patent nonglandular trichomes and usually 0.5-1.2 mm patent glandular trichomes; leaf blade 4.8-13 cm, palmately cleft, ratio of main sinus/middle segment length = 0.6-0.75(-0.78), pilose with ± appressed nonglandular trichomes; segments 5, rhombic, (1-)1.7-2.3(-3.4) cm wide at base, 6-23-lobed in distal half, ratio of second sinus/middle segment length = 0.08-0.18. Cymules solitary or in aggregates at apex of each branch, 2-flowered; peduncle (0-)1.6-5.4 cm. Pedicel 2.8-16.8 mm, with 0.3-1.4 mm patent to retrorse nonglandular trichomes and 0.3-1.1 mm patent glandular trichomes; bracteoles linear-lanceolate. Sepals 6.4-10.8 mm, mucro 0.4-1.6 mm, ratio of mucro/sepal length = 0.06-0.19, outside with 0.2-1.2 mm antrorse appressed nonglandular trichomes and 0.5-1.8 mm patent glandular trichomes, inside glabrous. Petals purplish or white, (1-)1.2-1.9 cm, erect to patent, outside basally with trichomes, inside glabrous, margin basally ciliate, apex rounded. Staminal filaments purplish, lanceolate, abaxially pilose and proximal half ciliate, trichomes 2-3 mm; anthers bluish, 2.3-2.9 mm. Nectaries 5, hemispheric, glabrous. Stigma greenish to dull red. Fruit 2.8-4 cm, erect when immature; mericarps smooth, with a basal callus, with 0.1-1.4 mm ± patent nonglandular trichomes and 0.6-0.9 mm patent glandular trichomes; rostrum 2.3-3.4 cm, with a 4.8-9.8 mm narrowed apex; stigmatic remains 2.1-2.6 mm. Seeds 2.6-3.2 mm. Fl. Jun-Jul, fr. Aug-Sep. 2n = 28.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.27 - 0.68
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use Anti-bacterial agents (leaf), Antifungal agents (leaf)
Human toxicity -
Animal toxicity -

Cultivation

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

Distribution

Geranium platyanthum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:373493-1
WFO ID wfo-0000701087
COL ID 3FV26
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Geranium platyanthum Geranium eriostemon Geranium orientale Geranium eriostemon var. reinii Geranium eriostemon f. hypoleucum Geranium eriostemon f. megalanthum