Clerodendrum capitatum ( Willdenow 1800: 384 ) Schumacher

Meerts, Pierre, 2023, The genus Clerodendrum (Lamiaceae) in the flora of Central Africa (D. R. Congo, Rwanda, Burundi), Phytotaxa 594 (1), pp. 1-42 : 9

6. Clerodendrum capitatum ( Willdenow 1800: 384) Schumacher in Hornemann (1819: 14); Hooker (1848: t.4355); Baker (1900: 305); De Wildeman (1910a: 401; 1912b: 91; 1920b: 165); Durand & Durand (1909: 438); Thomas (1936: 64); White (1962: 367); Huber (1963: 443); Geerling (1982: 327); Malaise (1985: 274); Verdcourt (1992: 103); Lebrun & Stork (1997: 511); Fernandes (2005: 103); Akoegninou et al. (2006: 985); Hawthorne & Jongkind (2006: 426); Bloesch et al. (2009: 624); Lisowski (2009: 363); Lejoly et al. (2010: 294).

Type:— GUINEA. Aquapim , 1786, Isert s. n. (holotype: B-WILLD B-W 11682-01 0; iso-: C10003557) .

Key to the varieties of C. capitatum :

1. Calyx tube pubescent.................................................................................................................................................... var. pubitubum

- Calyx tube glabrous............................................................................................................................................................................2

2. Corolla tube glandular-pubescent; corolla lobes 7–15 mm long; stamens exserted 20–30(–40) mm........................... var. capitatum

- Corolla tube glabrous; corolla lobes 6–10 mm long; stamens exserted 10–15 mm .................................................... var. vanderystii