Geranium christensenianum Hand.-mazz.

Species

Angiosperms > Geraniales > Geraniaceae > Geranium

Characteristics

Perennials. Rootstock 5-6 mm in diam., not tuberculate, with many fibrous roots. Stem 48-100 cm tall, trailing, rooting at nodes, with 0.3-1.3 mm patent nonglandular trichomes and 0.5-1.1 mm patent glandular trichomes. Stipules lanceolate, distinct. Leaves opposite; petiole with 0.2-1 mm patent nonglandular trichomes and 0.2-1.4 mm patent glandular trichomes; leaf blade 3.9-5.3 cm, palmately cleft, ratio of main sinus/middle segment length = 0.72-0.78, pilose with appressed nonglandular trichomes and ± patent glandular trichomes; segments 3(or 5), rhombic, 8.6-10.7 mm wide at base, 5-13-lobed in distal half, ratio of second sinus/middle segment length = 0.15-0.21. Cymules solitary, 2-flowered; peduncle 2.1-15.3 cm. Pedicel 0.8-1.7 cm, with 0.2-0.6 mm patent nonglandular trichomes and 0.3-1.2 mm patent glandular trichomes; bracteoles lanceolate. Sepals 0.8-1.2 cm, mucro 1.6-2.7 mm, ratio of mucro/sepal length = 0.18-0.22, outside with 0.2-0.8 mm antrorse to patent nonglandular trichomes and 0.5-1.6 mm ± patent glandular trichomes, inside glabrous. Petals whitish with fine dark purple veins, 1.2-1.4(-1.6) cm, erect to patent, outside basally with trichomes, margin basally ciliate, apex rounded. Staminal filaments blackish except base, lanceolate, abaxially densely covered with 0.2-0.8 mm trichomes but glabrous toward tip; anthers black, 2.1-2.5 mm. Nectaries 5, hemispheric, abaxially glabrous, apex with a tuft of trichomes. Stigma blackish. Fruit ca. 3.2 cm, erect when immature; mericarps smooth, with a basal callus, with 0.3-1 mm ± patent nonglandular trichomes and 0.6-1.5 mm patent glandular trichomes; rostrum 2.1-2.2 cm, with a 4-5 mm narrowed apex; stigmatic remains 5.9-6.2 mm. Seeds unknown. Fl. Jul-Aug, fr. Sep-Oct.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.48 - 1.0
Root system fibrous-root
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 -
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 christensenianum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:372893-1
WFO ID wfo-0000700219
COL ID 6KCKF
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Geranium christensenianum