Chamaecrista comosa subsp. comosa, E. Mey.

Musandiwa, Liada, Magee, Anthony R. & Boatwright, James S., 2022, A Taxonomic Revision of Chamaecrista (Caesalpinioideae, Cassieae, Cassiinae) in Southern Africa, Systematic Botany (Basel, Switzerland) 47 (4), pp. 992-1011 : 1001

publication ID

https://doi.org/ 10.1600/036364422x16674053033831

DOI

https://doi.org/10.5281/zenodo.8117113

persistent identifier

https://treatment.plazi.org/id/03998783-F177-A824-FF39-FCCAFA45FD98

treatment provided by

Marileroux

scientific name

Chamaecrista comosa subsp. comosa
status

 

4a. CHAMAECRISTA COMOSA E.Mey. subsp. COMOSA View in CoL .

Cassia comosa var. comosa Steyaert View in CoL , Bull. Jard. Bot. Brux. 20: 251 (1950); Gordon-Gray in F.S.A. 16 (2): 97 (1977).

Cassia comosa var. lanata Steyaert View in CoL , Bull. Jard. Bot. Brux. 20: 252 (1950).

TYPE: SOUTH AFRICA. Mtunzini, Myezaan Zulu Reserve, near Ngonyi , Wood 3855 (holotype: K [ K000417586 ]–image!, isotype: NH!).

Perennial herbs, to 0.5 m tall. Stems simple, single stemmed, arising from woody rootstock. Leaves paripinnate, 30–150 × 10–20 mm; leaflets 6–36-jugate, 6–17 × 2–5 mm; stipules 8–14 mm; large, sessile extrafloral nectaries, sunken in rachis channel. Pedicels 10–25 mm long. Pods 44–65 × 4–7 mm.

Diagnostic Characters — Chamaecrista comosa subsp. comosa is distinguished by large, sessile extrafloral nectaries that are sunken in on the rachis ( Fig. 3E View FIG ), and larger general morphology (i.e. leaves 30–150 × 10–20 mm; leaflets 6–17 × 2–5 mm; stipules 8–14 mm, pedicels 10–25 mm long, and pods 44–65 × 4–7 mm).

Distribution and Ecology — Chamaecrista comosa subsp. comosa is widely distributed in the coastal regions of KwaZulu-Natal from Mtubatuba, through Port Edward, extending to Butterworth in the Eastern Cape ( Fig. 7 View FIG ). It grows in open grassland with a high water table on granite soil or sand at altitudes below 1000 m. Flowering from September–March.

Additional Specimens Examined — South Africa. — KWAZULU-NATAL: 2732 (Ubombo): Ubombo, St. Lucia Eastern (–DC), 21 Sep 1982, Cawood 149 ( NH) . 2830 (Dundee): Ubisana Valley (–BA), 21 Oct 1966, Venter 2741 ( PRE) ; Mtunzini, Hamewith (–CC), 18 Nov 1919, Mogg 5858 ( PRE) . 2831 (Nkandla): 5 km from Eshowe, Eyrie Farm (–CD), 12 Oct 1975, Stirton 5343 ( PRE) ; Eshowe outside Hlinza forest (–CD), 24 Oct 1974, Stirton 1289 ( PRE) ; just outside Hlinza Forest (–CD), 10 Dec 1973, Stirton 423 ( NU) ; W Empangeni (–DB), 27 Aug 1949, Lawn 320A ( PRE) ; Ngoya Mts (–DC), 11 Dec 1968, Strey 8301 ( PRE) ; Ngoye Forest Reserve (–DD), 24 Oct 1974, Stirton 1275 ( PRE) ; Mtunzini (–DD), 1 May 1919, Mogg 4301 ( PRE) . 2832 (Mtubatuba): Mtubatuba, W of St. Lucia Estuary (–AA), 30 Nov 1959, Ward 5 ( NU) ; Dukuduku forest (–AD), 4 Oct 1961, Hitchins 75 ( NU) ; Lughawe, St. Lucia (–AD), 21 Dec 1973, Grobbelaar 1824 ( PRE) ; St. Lucia estuary (–AD), 30 Nov 1959, Feely & Ward 5 ( PRE) ; Mpathe Valley, near Mpathe forest (–AD), 24 Oct 1971, Ward 7313 ( PRE) ; north coast Lake Nhlabane (–CB), 3 Jan 1992, Ward 11595 ( NU) . 2931 (Stanger): Ngoye forest (–BA), 21 Nov 1965, Hilliard 3179 ( NU) . 3030 (Port Shepstone): first sugar farm from Isingolweni on road to Port Edward (–CC), 7 Nov 1974, Stirton 1375 ( PRE) ; Beacon Hill (–CC), 2 Nov 1981, Van Wyk ( PRE) ; Margate (–CD), 15 Dec 1936, Mogg 13291 ( PRE) ; ca. 8 km from Port Edward on Izingolweni road (–CD), 1 Sep 1963, Hilliard 1655 ( NU) ; Wichmann’ s Farm, St. Michaels on sea (–CD), 28 Dec 1968, Ross 1877 ( PRE) ; Uvongo, S coast Skyline Farn (–CD), 6 Nov 1967, Mogg 36557 ( PRE) ; Southbroom (–CD), 25 Oct 1975, Stirton 5635 ( PRE) ; coastal grassland (–DC), 6 Nov 1980, Stirton 8075 ( PE) . 3130 (Port Edward): 500 m from the sea opposite Hills (–AA), 9 Dec 1971, Grobbelaar 1534 ( PRE) ; Clearwater (–AA), 7 Sep 1982, Abbott 265 ( PRE) ; Umtamvuna Nature Reserve (–AA), 2 Nov 2017, Nemando and Musandiwa 22 ( NBG) ; Port Edward (–AA), 25 Oct 1975, Stirton 5641 ( PRE) . — EASTERN CAPE: 3129 (Port St. Johns): Lusikisiki, 12 miles (ca. 19.3 km) in Pondoland coastal sourveld (–BC), 13 Jan 1947, Acocks 13247 ( PRE) ; Transkei, Mkambati Nature Reserve (–BD), 1 Oct 1984, Shackleton 48 ( PRE) ; Mkambati Nature Reserve, NE of Education Centre (–BD), 13 Dec 1986, Smook 6119 ( PRE) . 3228 (Butterworth): at turn off to Mzamba River mouth, 5 km S of Port Edward (–CA), Oct 1973, Arnold 792 ( NU) ; turn off to Mzamba River mouth, S of Port Edward (–CA), Oct 1972, Arnold 792 ( PRE) .

PRE

PRE

NBG

NBG

K

Royal Botanic Gardens

NH

South African National Biodiversity Institute

PRE

South African National Biodiversity Institute (SANBI)

NU

Department of Microbiology, Faculty of Science

PE

Institute of Botany, Chinese Academy of Sciences

NBG

South African National Biodiversity Institute

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Fabales

Family

Fabaceae

Genus

Chamaecrista

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