|
(Last Modified On 1/11/2013)
|
|
|
|
(Last Modified On 1/11/2013)
|
|
Genus
|
CORNUS L.
|
|
PlaceOfPublication
|
Sp. P1. 117. 1753.
|
|
Synonym
|
Chamaepericlymenum Hill, Brit. Herb. 331. 1756. Benthamia Lindl. in Edw. Bot. Reg. pl. I579. 1833, nec A. Rich (1828) necque Lindl. (1830). Cynoxylon Raf. Alsogr. 59. 1838. Eukrania Raf. loc. cit. 18 3 8. Benthamidia Spach, Hist. Veg. 8:106. 1839. Svida Opiz (Seznam 94. 1852, nom. nud.) ex Small, Fl. SE. U. S. 853. 1903. Cornella Rydb. Bull. Torrey Bot. Club 33:147. 1906. Macrocarpium Nak. in Bot. Mag. Tokyo 23:38. 1909. Arctocrania Nak. loc. cit. 39. 1909. Mesornora Lunell, in Amer. Midl. Nat. 4:487. 1916. Ossea Lunell, loc. cit. 1916.
|
|
Description
|
Trees and shrubs, rarely rhizomatous subshrubs. Leaves opposite, rarely alter- nate, estipulate, simple, entire, usually petiolate. Inflorescence an ebracteate corymbiform or umbelliform cyme or (in our species) densely capituliform and subtended by usually 4 involucrate bracts. Flowers small, hermaphrodite, epig- ynous. Sepals 4, small, slightly united at the base. Petals 4, valvate. Stamens 4, the anthers 4-celled, dorsifixed, versatile. Ovary inferior, 2-celled, each cell with a single pendulous ovule; style 1, arising from a fleshy epigynous disc, the stigma minute, capitate. Fruit a drupe, usually containing a single seed.
|
|
Habit
|
Tree shrub
|
|
Distribution
|
About 40 species of North America, Europe, Asia and tropical Africa. A single species is found in Panama.
|
|
Tag
|
|
|
|
Project Name
|
|
Tag
|
|
|
|