Coronanthera

Full name and orig. publication: Coronanthera [Vieill. ex] C.B.Clarke, in A.& C. DC., Monogr. phan. 5/1: 170 (July 1883).

Etymology: Composed of the Greek, κορωνη, korōnē, Latin corona = crown, corona, garland, and άνθηρα, anthēra = anther, referring to the anthers which are usually fused to form a cross- or crown-like figure.

Synonyms: -

Infrafamilial position: Coronantheroid Gesneriaceae (Gesnerioideae Coronanthereae).

Description: Woody shrubs or trees to 15 m tall. Leaves iso- or somewhat anisophyllous, petiolate, lamina elliptic-ovate. Cymes axillary, pedunculate, few- to several-flowered, bracteoles small, lanceolate or ovate. Sepals connate in the lower part, narrow triangular, persistent. Corolla red (n ?) or greenish-yellow, small to medium-sized, urceolate or tubular and somewhat narrowed at the mouth; limb bilabiate, upper lip suberect, lower lip spreading, lobes small, ovate or rounded, subequal. Stamens 4, didynamous, filaments inserted near corolla base, curved, glabrous; anthers divaricate, cohering all together or in pairs. Disc ring-shaped, adnate to ovary, or reduced. Ovary superior, ovoid, unilocular; style short; stigma capitate or obscurely bilobed. Fruit an ovoid capsule with acute to subrostrate apex, dehiscence septicidal, or septi- and loculicidal, valves sometimes apically coherent.

Chromosome number: Unknown.

Species number: 11.

Species names (incl. publication and synonyms): See Skog, L.E. & J.K. Boggan. 2005: World checklist of Gesneriaceae: http://persoon.si.edu/Gesneriaceae/Checklist.

Type species: Coronanthera deltoidifolia C.B.Clarke

Distribution: 10 spp. in New Caledonia, one in the Solomon Islands. 

Ecology: Occurring in montane forest.

Selected references: Wiehler, Selbyana 6: 159-160 (1983), list of spp.

Bibliography: See Skog, L.E. & J.K. Boggan. 2005. Bibliography of the Gesneriaceae. 2nd edition: http://persoon.si.edu/Gesneriaceae/Bibliography.

Illustrations:

Coronanthera deltoidifolia C.B.Clarke

C.B.Clarke in A. & C.DC., Monogr. phan. 5/1, t. 19 (1883), original illustration

 



last modified: 2007-07-13