Sunn hemp (Crotalaria juncea)

Sunn hemp (Crotalaria juncea) is a species of plant in the Fabaceae family, erect, woody shrub, growing up to 2 meters tall, cylindrical stems, angular, green with white hairs. The leaves are elongated, green and thick, up to 20 cm long and up to 4 cm wide. The petioles are up to 1 cm long.

The inflorescences are yellow in long panicles. The fruit is an elongated, oval capsule, 3 cm long, with a 1 cm stalk and white hairs. The seeds are shiny, 2-3 mm long capsules.



TAXON

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Crotalarieae
Genus: Crotalaria L. in Sp. Pl.: 714 (1753)
Species: Crotalaria juncea L. in Sp. Pl.: 714 (1753)

HETEROTYPIC SYNONYMS

Crotalaria benghalensis Lam. in Encycl. 2: 196 (1786)
Crotalaria cannabinua Royle in Ill. Bot. Himal. Mts.: 82 (1834)
Crotalaria fenestrata Sims in Bot. Mag. 44: t. 1933 (1817)
Crotalaria juncea var. bengalensis (Lam.) Kuntze in Revis. Gen. Pl. 1: 176 (1891)
Crotalaria juncea var. puncticulata DC. in Prodr. 2: 126 (1825)
Crotalaria kanchiana Gholave, Mane, Gore, Kambale & S.P.Gaikwad in Phytotaxa 409: 234 (2019)
Crotalaria porrecta Wall. in Numer. List: n.° 5363 (1831)
Crotalaria sericea Willd. in Sp. Pl., ed. 4. 3: 519 (1800)
Crotalaria tenuifolia Roxb. ex Hornem. in Suppl. Hort. Bot. Hafn.: 151 (1819) Isotropis argentea Ewart & Morrison in Proc. Roy. Soc. Victoria, n.s., 26: 157 (1913)

PUBLICATIONS

Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies. Smithsonian Contributions to Botany 98: 1-1192.

Ansari, A.A. & Chauhan, V. (2020). Crotalaria L. in India: A supplement: 1-152. M/S Bishen Singh Mahendra Pal Singh.

Avendaño, N. (2011). Revisión taxonómica del género Crotalaria L. (Faboideae-Crotalarieae) en Venezuela. Acta botanica Venezuelica 34: 13-78.

Baksh-Comeau, Y., Maharaj, S.S., Adams, C.D., Harris, S.A., Filer, D.L. & Hawthorne, W.D. (2016). An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical 'hotspots'. Phytotaxa 250: 1-431.

Balkrishna, A. (2018). Flora of Morni Hills (Research & Possibilities): 1-581. Divya Yoga Mandir Trust.

Balslav, H. & Chantaranothai, P. (2018). Flora of Thailand 4(3.1): 221-371. The Forest Herbarium, Royal Forest Department.

Berhaut, J. (1976). Flore illustrée du Sénégal 5: 1-658. Gouvernement du Sénégal, Ministère du développement rural direction des eaux et forêta, Dakar.

Catarino, L., Sampaio Martins, E., Pinto-Basto, M.F. & Diniz, M.A. (2006). Plantas Vasculares e Briófitos da Guiné-Bissau: 1-298. Instituto de investigação científica tropical, Instituto Português de apoio ao desenvolvimento.

Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.

Dobignard, A. & Chatelain, C. (2012). Index synonymique de la flore d'Afrique du nord 4: 1-431. Éditions des conservatoire et jardin botaniques, Genève.

Du Puy, D.J., Labat, N.-N., Rabevohitra, R., Villiers, J.-F., Bosser, J. & Moat, J. (2002). The Leguminosae of Madagascar: 1-737. Royal Botanic Gardens, Kew.

Dy Phon, P. (2000). Dictionnaire des plantes utilisées au Cambodge: 1-915. Chez l'auteur, Phnom Penh, Cambodia.

Figueiredo, E. & Smith, G.F. (2008). Plants of Angola. Strelitzia 22: 1-279. National Botanical Institute, Pretoria.

Forzza, R.C., Zappi, D. & Souza, V.C. (2016-continuously updated). Flora do Brasil 2020 em construção.

Fosberg, F.R., Sachet, M.-H., Oliver, R. (1979). A geographical checklist of the Micronesian Dicotyledonae. Micronesica; Journal of the College of Guam 15: 41-295.

Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa an annotated checklist. Strelitzia 14: 1-1231. National Botanical Institute, Pretoria.

Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

Hedberg, I. & Edwards, S. (eds.) (1989 publ. 1990). Flora of Ethiopia and Eritrea 3: 1-659. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.

Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.

Idárraga-Piedrahita, A., Ortiz, R.D.C., Callejas Posada, R. & Merello, M. (eds.) (2011). Flora de Antioquia: Catálogo de las Plantas Vasculares 2: 1-939. Universidad de Antioquia, Medellín.

Kotiya, A., Solanki, Y. & Reddy, G.V. (2020). Flora of Rajasthan: 1-769. Rajasthan state biodiversity board.

Kumar, S. & Sane, P.V. (2003). Legumes of South Asia. A Checklist: 1-536. Royal Botanic Gardens, Kew.

Lepschi, B. & Monro, A. (Project Coordinators) (2014). Australian Plant Census (APC) Council of Heads of Australian Herbaria.

Lock, J.M. & Ford, C.S. (2004). Legumes of Malesia a Check-List: 1-295. Royal Botanic Gardens, Kew.

Lock, J.M. & Heald, J. (1994). Legumes of Indo-China a check-list: 1-164. Royal Botanic Gardens, Kew.

Lock, J.M. (1989). Legumes of Africa a check-List: 1-619. Royal Botanic Gardens, Kew.

Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.

Ninkaew, S. & al. (2017). Crotalaria L. (Fabaceae: Faboideae) in continental Southeast Asia. Phytotaxa 320: 1-74.

Polhill, R.M. (1990). Flore des Mascareignes 80: 1-235. IRD Éditions, MSIRI, RBG-Kew, Paris.

Pope, G.V., Polhill, R.N. & Martins, E.S. (eds.) (2003). Flora Zambesiaca 3(7): 1-274. Royal Botanic Gardens, Kew.

Rechinger, K.H. & al. (1984). Papilionaceae II. Flora Iranica 157: 1-499. Naturhistorisches Museums Wien.

Sanjappa, M., Pusalkar, P.K. & Mao, A.A. (eds.) (2024). Flora of India 6: 1-556. Botanical Survey of India.

Silva Flores, A. & De Azevedo Tozzi, A.M.G. (2018). A synopsis of the genus Crotalaria (Leguminosae) in Brazil. Phytotaxa 346: 31-58.

Thiombiano, A., Schmidt, M., Dressler, S., Ouédraogo, A., Hahn, K. & Zizka, G. (2012). Catalogue des plantes vasculaires du Burkina Faso. Boissiera 65: 1-391.

Townsend, C.C. (1974). Flora of Iraq 3: 1-662. Ministry of Agriculture & Agrarian Reform, Baghdad.

Velayos, M. & al. (eds.) (2015). Flora de Guinea Ecuatorial 5: 1-529. Consejo superior de investigaciones científicas, Real jardín botánico, Madrid.

Wu, Z. & Raven, P.H. (eds.) (2010). Flora of China 10: 1-642. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis).

Yakovlev, G.P., Sytin, A.K. & Roskov, Y.R. (1996). Legumes of Northern Eurasia. A checklist: 1-724. Royal Botanic Gardens, Kew.

Zhu, X.Y., Zhang, R.P. & He, Y.L. (eds.) (2021). An inventory of legume species diversity of Myanmar: 1-297. China Minzu university press.

Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur. Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden.

de la Estrella, M., Cabezas, F.J., Aedo, C. & Velayos, M. (2010). The Papilionoideae (Leguminosae) of Equatorial Guinea (Annobón, Bioko and Río Muni). Folia Geobotanica 45: 1-57.

VERNACULAR NAME

Afrikaans: Suikerkeur, Sunnhennep
Chinese (simplified): 太阳麻 - 菽麻
Chinese (traditional): 太陽麻 - 菽麻
English: Sunn hemp, Sunnhemp, Indian hemp, Benares hemp, Madras hemp, Brown hemp, Deccan Hemp
Finnish: Kuituherne
Hindi: Masina, Sannai Sunn
Indonesia: Orok-orok
Italian: Canapa indiana
Japanese: サンヘンプ - クロタラリア
Malayalam: Chanaka, Chanambu, Dhunam, Kattuthanatalakatta, Pulivanni, Sanam, Wuckoonar
Marathi: धाकटी घागरी
Ojibwe: Zesabiins
Oria: Choni, Chanapata
Russian: Кроталярия ситниковая
Sanskrit: Jenapavera, Pulivanji
Slovak: Krotalária textilná
Swedish: Sunnhampa
Tamil: Sanppu, Janupa, Sanalnar, Sanarppai
Telugu: Shanama, Janumu, Gilaka, Gili Ginta
Thai: ปอเทือง

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