Indigofera cordifolia B.Heyne ex Roth

Indigo (fr)

Species

Angiosperms > Fabales > Fabaceae > Indigofera

Characteristics

Prostrate, perennial herb or subshrub, 0.1–0.3 m high; young stems terete, greenish white, hirsute with dense to very dense, hyaline, spreading, unequally biramous hairs. Leaves simple; stipules triangular, fused to base of petiole, 1 mm long, scarious, pubescent with scattered long hairs, persistent; petiole 0.4–0.6 (–1.0) mm long; lamina ovate to orbicular, cordate, 2.5–6.2 (–7.0) mm long, 2.7–5.7 (–6.5) mm wide; upper surface green with moderately dense, spreading hairs; lower surface green to white with moderately dense, spreading hairs; apex obtuse and apiculate; veins not prominent. Inflorescences 3–4 mm long including flowers, the axis c. 0.5 mm long, shorter than leaves; bracts subulate, 1.5–2 mm long; flowers red, pedicel 0.2–0.5 mm long. Calyx 2.2–2.5 mm long, with subequal lobes ± free to the base and dense, white, spreading hairs. Standard red, obovate to spathulate, 2.6–3 mm high, 1.5–2 mm wide, with obtuse apex and moderately dense, hyaline to white hairs at tip. Wings narrowly spathulate, c. 3 mm long, 0.5–0.6 mm wide. Keel 2.8–2.9 mm long, 0.5–0.7 mm wide; apex acute; glabrous; lateral pockets 0.2–0.25 mm long. Staminal tube 2 mm long, colourless. Ovary densely hairy. Pods globular, 1.5–2 mm long, 1.2–1.5 mm deep, white or grey, strigose; hairs dense, shortly spreading to spreading; apex shortly beaked with persistent sterile ovary tip; endocarp very faintly spotted; seeds spherical, irregularly 1 or 2 per fruit.
More
Herbs, procumbent or ascending, 10-30 cm tall. Stems with appressed to slightly spreading white symmetrically to slightly asymmetrically 2-branched trichomes. Stipules lanceo­late, ca. 2 mm, with spreading subbasifixed extremely asym­metrically 2-branched trichomes, apex cuspidate. Leaves sim­ple; petiole ca. 1 mm; leaf blade oblong to cordate, 4-8 × 3-6 mm, abaxially with dense long spreading subsymmetrically to symmetrically 2-branched trichomes, adaxially with long spreading white subbasifixed trichomes, secondary veins not visible, base cordate, apex acute and with a ca. 0.2 mm mucro. Racemes 2-3 mm, 1-4-flowered; bracts narrowly triangular, ca. 2 × 0.5 mm, apex cuspidate. Pedicel 0-0.5 mm. Calyx with dense spreading white subbasifixed long trichomes; tube ca. 0.5 mm; teeth linear-triangular, 1.5-2 mm. Corolla standard spat­ulate to cuneate, 2.5-3 × 1-1.5 mm, outside hairy at apex, apex obtuse; wings ca. 2.5 × 0.2 mm, glabrous; keel ca. 2.5 × 0.5 mm, glabrous, lateral spur ca. 0.3 mm. Stamens 2-2.5 mm; an­thers ca. 0.2 × 0.3 mm, glabrous. Ovary with spreading white long trichomes, with (1 or)2 ovules. Legume ellipsoid to sub­globose, 2.5-3 × ca. 1.6 mm, with densely subspreading white trichomes. Seeds (1 or)2 per legume, reddish brown. Fl. Oct-Nov, fr. Nov-Dec. 2n = 16.
A herb. It grows from seeds each year. It lies along the ground and is branched. It grows 30 cm high. The leaves are simple. They are 6-16 mm long and 4-13 mm wide. They are broadly oval and hairy on both sides. There are 4-8 flowers in a head. They are red. The fruit is a pod 4-5 mm long. It is densely hairy. There are 2 seeds.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.3
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 c3

Environment

It is a tropical and subtropical plant. In southern China it grows on sunny slopes between 100-400 m above sea level. It does best on light sandy soils. It grows in desert areas. It can grow in arid places.
More
Beaches, Pandanus-vegetation, grassfields; at elevations from sea level to 150 metres.
Grows on sandy, disturbed sites near the coast.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Caution: The seeds have been mixed with other seeds to make bread but are poisonous on their own.
Uses animal food fixation of sand dunes food forage gene source medicinal poison
Edible seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings. Seeds needs soaking.
Mode seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 10
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Indigofera cordifolia unspecified picture

Distribution

Indigofera cordifolia world distribution map, present in Afghanistan, Australia, China, Cabo Verde, Ethiopia, Indonesia, India, Kenya, Mali, Mauritania, Niger, Oman, Pakistan, Sudan, Chad, and Timor-Leste

Identifiers

LSID urn:lsid:ipni.org:names:499181-1
WFO ID wfo-0000191414
COL ID 3PLXZ
BDTFX ID 126606
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Indigofera cordifolia Heylandia cordifolia Anil cordifolia