Scleria racemosa Poir.

Goetghebeur, P. & Larridon, I., 2019, A revision of Scleria (Cyperaceae) in Madagascar, Blumea 64 (3), pp. 195-213 : 210

publication ID	https://doi.org/10.3767/blumea.2019.64.03.01
persistent identifier	https://treatment.plazi.org/id/BC3D9F16-6E14-FFDE-FC87-EDD222AFF919
treatment provided by	Felipe
scientific name	Scleria racemosa Poir.
status

Treatment

26. Scleria racemosa Poir. View in CoL

Scleria racemosa Poir. (1806) 6. — Ophryoscleria racemosa (Poir.) Nees ( Nees 1842) 183. — Type: du Petit-Thouars s.n. (lectotype designated here: P00346044; isolectotype P00346045), Madagascar.

Scleria macrosperma View in CoL Nees ex Kunth (1837) 344, nom. nud.in synon. based on Lindley s.n. — Scleria macrocarpa View in CoL Nees (1842) 183,nom.nud.in synon. based on Lindley s.n.

Scleria ciliolata Boeckeler (1882) View in CoL 31. — Type: Hildebrandt 2921 (lectotype designated here: K000363350; isolectotype: P01888440), Madagascar, Nossibé , in marsh, Apr. 1879.

Scleria racemosa var. eciliaris Kük. (1921a) View in CoL 10. — Type: not located.

Perennial with strong rhizome. Culm 1.5–3 m by 4–6 mm. Leaves 30–60 by 1.5–3 cm, pseudopraemorse; hairs present along distal third of margins and nerves of the abaxial side, antrorse, conspicuous, up to 0.2 mm; sheath winged; contraligule triangular, glabrous, margin membranous. Inflorescence a terminal panicle and several smaller laterals, do not overlap with each other, barely branched. Spikelets unisexual or subandrogynous; glumes bearing male flowers 4–4.5 mm long, female 4– 5 mm, straw-coloured outside with brown red dots at the top, purplish inside, puberulous. Spikelet bracts ciliate at the base. Nutlets 4.5–5 by 3–4 mm, smooth, beige, style persistent; hypogynium regularly ciliate; cupule swollen, cupshaped, yellowish brown.

Distribution — Tropical and East Africa, Madagascar, the Comoros and Mayotte.

Habitat & Ecology — Widespread across the wetlands of the northern half of Madagascar. Associated with Raphia farinifera (Gaertn.) Hyl. , alt. 0–500 m.

Vernacular name — Malagasy: sirosera.

Conservation — Scleria racemosa is widely distributed in Tropical and East Africa, Madagascar, the Comoros and Mayotte, and there are no specific threats which affect this species. Therefore, it is here assessed as Least Concern.

Additional specimens. MADAGASCAR, 10 Oct. 1969, B. Descoings 1198 (P01888436); Moquin-Tandon, C.H.B.A. Moquin-Tandon s.n. (P00346045); Antsiranana, Ambilobé, Mahavary , 31 July 1939, R. Decary 14767 (P01888468, TAN); Antsakoamanondro , 17 May 1960, J. Peltier & M. Peltier 2432 (P01888443); Nossibé , 28 Jan. 1841, A. Pervillé 485 (P01888476, P01888477, TAN); ibid ., Aug. 1841, A. Pervillé 248 (K); ibid ., May 1879, J.M. Hildebrandt 2984 (K000363351,P01888441);ibid ., June 1847, M. Boivin 1991 (P01888466, P01888467); ibid ., June 1907, L. Rotereau s.n. (P01888444); ibid., J.M.C. Richard 924 (P01888472); Sava , 1190 m , 4 May 2006, R. Razakamalala et al. 2814 (K, MO, P01888437 , TAN); Mahajanga, 1932, H. Perrier de la Bâthie 638 (P01888469); ibid ., 27 May 1912, K. Afzelius s.n. (K); Ambatoboeny , 125 m , 18 May 2001, R. Randrianaivo et al. 638 (K, MO); Ampijoara, Natural Reserve , 12 Nov. 1995, M. Desfayes 95.12111 ( GENT); Ampombimanangy , 113 m , 24 July 2006, M.Andriamahay & S. Rakotoarisoa 1446 (K); Analalava , 15 m , 5 May 2012, S.E. Rakotoarisa & H. Randrianavsoa SNGF3069 (K000753248, MO, P, TAN); Befandriana-Nord , 29 July 1942, Herbier du Jardin Botanique de Tananarive 5175 (P01888439); North , Jan. 1892, R. Baron 6371 (K); North-West , Sept.1887, R. Baron 3787 (K); Toamasina, M. Bojer s.n. (P01888474); Besinkara , 300 m , 23 June 1994, L. Gautier et al. LG2411 (G, MO, P01888465 , TAN); Analamazaotra Forest , Oct. 1909, A.C. D’Alleizette 681 (P01888471); Ste.Marie, M. Boivin 1647 (P01888442) .