Indigofera dumetorum Craib

Species

Angiosperms > Fabales > Fabaceae > Indigofera

Characteristics

Shrubs, to 2.5 m tall. Stems rufous brown or gray, terete, with obvious lenticels; young branches striate, with spreading brown medifixed subsymmetrically crooked 2-branched tri­chomes. Stipules narrowly lanceolate, 5-8 mm, caducous. Leaves ca. 13 cm, 5-9-foliolate; petiole and rachis terete, adax­ially slightly flattened, with dense spreading white crooked medifixed trichomes; petiole ca. 2 cm; stipels not visible; petio­lules ca. 2 mm; leaflet blades opposite or subopposite, oblong, elliptic, or ovate, 2-5 × 1.5-2.5 cm, thickly papery, abaxially with dense spreading white medifixed crooked trichomes, adax­ially with appressed white medifixed trichomes, midvein abaxi­ally prominent and adaxially slightly impressed, secondary veins 8-10 on each side of midvein, base broadly cuneate to rounded, apex obtuse to acute. Racemes ca. 15 cm; peduncle and rachis with dense spreading white medifixed trichomes and crooked trichomes; peduncle 2-3 cm; rachis striate; bracts caducous. Pedicel 2-4 mm, hairy. Calyx campanulate, 4.5-5 mm, with dense spreading brown submedifixed crooked tri­chomes; tube ca. 2.5 mm; teeth triangular, unequal, most abax­ial one as long as tube. Corolla yellowish; standard ovate-ob­long, 1.2-1.7 × 0.6-0.7 cm, outside with appressed white tri­chomes, base not clawed, apex emarginate; wings 10-12 × ca. 2.5 mm, outside glabrous, margin ciliate; keel as long as stan­dard, outside with appressed brown trichomes on top part, clawed at base, spur ca. 0.5 mm. Stamens 1.3-1.6 cm; anthers ovoid-ellipsoid, glabrous. Ovary with 12-15 ovules. Legume slightly compressed, ca. 7 cm, with spreading brown or gray submedifixed trichomes, apex hooked. Fl. Jun, fr. Aug-Sep.
Life form -
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.5
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 rhizobia
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-10

Usage

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

Cultivation

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

Distribution

Indigofera dumetorum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:499281-1
WFO ID wfo-0000197506
COL ID 3PM2M
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Indigofera dumetorum