(Last Modified On 9/17/2013)
|
|
(Last Modified On 9/17/2013)
|
Genus
|
Raritebe Wernham
|
PlaceOfPublication
|
J. Bot. 55: 336. 1917.
|
Note
|
TYPE: R. palicoureoides Wernham.
|
Synonym
|
Dukea Dwyer, Ann. Missouri Bot. Gard. 53: 262. 1966. TYPE: D. panamnensis Dwyer.
|
Description
|
Small trees or shrubs. Leaves lanceolate, acuminate; stipules subulate to triangular, often persistent. Inflorescences terminal, corymbose paniculate;
|
Habit
|
trees or shrubs.
|
Description
|
bracts subulate, tending to persist, the bracteoles affixed to the base of the ped- icels. Flowers with the hypanthium short, the calycine cup reduced, the teeth 4- 5; corolla with the tube narrowly cylindrical, the lobes valvate, shorter than the tube, reflexed and contorted after anthesis; stamens 4-5, the anthers narrow, the filaments short, affixed to the base of the tube; ovary 2-celled (or rarely 1-celled), the placentas adnate peltately to the median septum, or when uniloculate each placenta arising from the base of the ovary and then splitting, the ovules numer- ous. Fruits coccoid and baccate, small; seeds numerous, rotund, foveolate.
|
Note
|
Kirkbride (1979) placed all Panamanian elements of this genus in Raritebe palicoureoides ssp. dwyerianum Kirkbr., but a number of distinctive groups are recognizable as species.
|
Distribution
|
occurs in Costa Rica, Panama, Colombia, Peru and Ecuador.
|
Reference
|
Kirkbride, J. 1979. Raritebe, an overlooked genus of the Rubiaceae. Brittonia 31: 299-312.
|
Key
|
a. Leaves 2 at a node. b. Ovary biloculate; inflorescences 15-30 cm long. c. Inflorescences spreading, 15-30 cm wide; leaves glabrate above. d. Leaves oblong lanceolate, scarcely falcate, the blades 2-3 times longer than wide ...... 4. R. panainensis dd. Leaves narrowly lanceolate, obviously falcate, the blades more than 3 times longer than wide ...... 6. R. victoriae cc. Inflorescences contracted, less than 6 cm wide; leaves appressed pilose above. e. Leaves to 13.5 cm wide; petioles to 4 cm long; flowers ca. 1.5 cm long; lower half of inflorescence axis unbranched ...... 1. R. bliumii ee. Leaves to 8 cm wide; petioles ca. I cm long; flowers ca. 1 cm long; lower half of inflorescence axis branched ......b2. R. darienensis bb. Ovary uniloculate; inflorescence less than 6.5 cm long ..... 3. R. eutryphylla aa. Leaves 3 at a node ...... 5. R. trifoliatilm
|
Tag
|
|
Project Name
|
Tag
|
|
|