Heterostemma samoense (Gray) Forster (1992: 78)

Rodda, Michele, 2016, Checklist and typification of Heterostemma (Apocynaceae, Asclepiadoideae, Ceropegieae), Phytotaxa 263 (1), pp. 1-17 : 11

publication ID

https://doi.org/ 10.11646/phytotaxa.263.1.1

persistent identifier

https://treatment.plazi.org/id/872AB66F-FFD7-7131-4FAB-FD0FFC408C46

treatment provided by

Felipe

scientific name

Heterostemma samoense (Gray) Forster (1992: 78)
status

 

Heterostemma samoense (Gray) Forster (1992: 78) View in CoL

TYPE:— SAMOA, Savaii, 1838-1842, U.S. Expl. Exped. B.C. Seemann s.n. (lectotype US [ US 00112405], designated by Smith (1988), isotype NY [ NY 00318818]) ≡ Tylophora samoensis Gray (1862: 334)

= Tylophora samoensis Schlechter (1908: 4) View in CoL , nom . illeg. ≡ Tylophora powellii Hochreutiner (1936: 476) View in CoL [January 1936] [ nom . nov. for T. samoensis Schltr. View in CoL ] (synonymised by Forster 1992)

TYPE:— SAMOA, T. Powell 33g (lectotype K [K000894686], here designated, isotype K)

Notes: —According to Smith (1988: 113) and Forster (1992) the holotype of H. samoense is US sheet no. US 62244 [ US 00112405]. The specimen is not a holotype as Gray (1862) did not provide any type information and only mentioned the collection locality as ‘Savaii, one of the Samoan islands’. However Smith (1988) counts as an effective lectotypification under Art. 9.9 of the ICN ( McNeill et al. 2012).

Schlechter (1908) indicated two syntypes for T. samoense, Betche 38 and Powell 33g. A fertile well-preserved duplicate of Powell 33g is present at K and is here selected as lectotype.

NY

William and Lynda Steere Herbarium of the New York Botanical Garden

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Gentianales

Family

Apocynaceae

Genus

Heterostemma

Loc

Heterostemma samoense (Gray) Forster (1992: 78)

Rodda, Michele 2016
2016
Loc

Heterostemma samoense (Gray)

Forster, P. I. 1992: )
1992
Loc

Tylophora samoensis

Hochreutiner, B. P. G. 1936: )
Schlechter, R. 1908: )
1908
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