Indigofera prostrata Willdenow (1803: 1226
Creators: name: Chauhan, Vibha
name: Pandey, Arun K.
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Fabales
Fabaceae
Indigofera
Indigofera prostrata

description: 6. Indigofera prostrata Willd. (1803: 1226). Fig. 8.   
 Type:— Ind. Or., Herb. Willdenow-13888 (B-WILLD, photo!).   
Herb, up to 30 cm high; roots much branched, covered with nodules; branches slender, prostrate to ascending, biramous hairs grey adpressed with equal arms. Leaves digitately trifoliolate; stipules c. 1.5 x 1 mm, narrowly triangular, adherent at base; petioles 5–8 mm long, canaliculate above, pubescent; stipellae absent; petiolules c. 1 mm long; leaflets 10–18 x 5–9.5 mm, obovate or oblanceolate, sometimes elliptic, adpressed pubescent on both surfaces, brown gland-dotted beneath. Racemes 3–5 mm long, axillary, sessile, globose; rachis pubescent, gland-dotted, 4–10-flowered. Flowers pink, c. 3 mm long; bracts ca 1 mm, triangular, caducous; pedicels c. 1 mm long. Calyx adpressed pubescent outside, cup c. 0.5 mm long, teeth c. 1.5 mm long, narrowly triangular. Standard c. 3 x 2 mm, elliptic, sometimes obovate, adpressed hairy and copiously gland-dotted on the back; wing petals c. 2.5 x 1 mm, glabrous; keel petals c. 2.5 x 1.5 mm, adpressed hairy and copiously gland-dotted on the back, lateral spur c. 0.8 mm long. Staminal sheath c. 2.5 mm long; anthers c. 0.5 mm long. Ovary c. 2 mm long, linear, glabrous, up to 8-ovuled; style c. 1 mm long, glabrous, beset with glands at the base. Pods 15–20 x 1–1.5 mm, descending, straight, filiform, subcylindric, torulose, shortly apiculate, 5–8-seeded, sutures obscurely winged, sparsely adpressed pubescent and glanduliferous towards the tip. Seeds 1–1.5 x 0.8 mm, rounded al both ends, shiny, brown.  
 Phenology:— Fls. August–January; Frts. September–January   
 Distribution:— INDIA: Andhra Pradesh, Goa, Gujarat, Himachal Pradesh, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Orissa and Tamil Nadu; endemic.   
 Habitat:— Cultivated fields, wastelands, grasslands between 50 and 1300 m.   
 Specimen examined:— Andhra Pradesh: Kurnool Dist., Nallamalais, way to Velgode, 650 m, 27 October 1964, J. L. Ellis 22225 (BSI); Goa: Agnidev Island, 24 September 1965, J. Cherian 106629; Waddem, 18 October 2011, Chauhan & Pandey 1452 (DUH); Himachal Pradesh: Urla to Drang, 1978m, 26 August 1977, S. K. Murti & R. Prasad 62064 ; Sundernagar, 1000m, 29 August 1977, S. K. Murti & R. Prasad 62187 ; Sirmaur Dist., Kakog, 15 September 2012, Chauhan & Pandey 5035 (DUH); Karnataka: Uttara Kannada Dist. (‘ North Canara’ Dist.,), Yellapur, 30 October 1882, W. A. Talbot 31; Belgaum Dist., Ukkad forest, 27 October 1970, B. K. Vijay Kumar 1287 (MH); Kerala: Palghat Dist., Mukkali forest, 200 m, 18 October 1965, E. Vajravelu 26291; Madhya Pradesh: Panchmarhi, 1000m, September 1975, Santosh Verma s.n.; Maharashtra: Satara Dist., Wai to Panchgani Road, between 7th and 8th Km point, 24 October 1982, M. Sanjappa 9518 ; Kolhapur Dist., Konkan, 12 October 2011, Chauhan & Pandey 1423 (DUH); Kolhapur Dist., Borebat, 12 October 2011, Chauhan & Pandey 1421 (DUH); Orissa: Sundargarh Dist., Mandira crop field, 14 September 1988, A. Mukherjee & D. Namhata MN3853; Tamil Nadu: Ramnathapuram Dist., Pranmalai, Thiruppathur, 225m, 29 November 1977, N. C. Nair 52913 (CAL); Coimbatote Dist., Hill top of Madukkarai, 450m, 26 September 1962, C. P. Sreemadhavan CPS 190 (MH); Coimbatore Dist., Mount Stouert, 600m, 27 October 1961, J. Joseph 13348 (MH).
description: Published as part of Chauhan, Vibha & Pandey, Arun K., 2015, A revision of trifoliolate Indigofera (Tribe Indigofereae: Fabaceae) in India, pp. 1-29 in Phytotaxa 220 (1) on pages 19-20, DOI: 10.11646/phytotaxa.220.1.1, http://zenodo.org/record/13636986