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Project Name Data (Last Modified On 3/15/2013)
 

Flora Data (Last Modified On 3/15/2013)
Genus Rinorea Aubl.
PlaceOfPublication Hist. P1. Gui. Fr. 235, 1775.
Synonym Alsodeia Du Petit-Thouars, Hist. Veg. Isl. Austr. Afr. 55, 1806.
Description Shrubs or small trees. Leaves alternate or apparently opposite, infrequently ternate, the stipules small and deciduous, the blade entire-margined to serrate. Inflorescences axillary or terminal, racemose, paniculate, or sometimes cymose, in- frequently flowers solitary. Flowers small, actinomorphic, the pedicels articulate, bracteolate; sepals free, equal or slightly unequal, ciliolate along the margins, usually persistent; petals imbricate, free, equal or almost so, sessile or very shortly unguiculate, mostly reflexed at the apex, white, yellow, or sometimes red; filaments usually bearing dorsal, erect, carnose, glandular appendages, these adnate only basally or throughout their length to the filaments and often ? united into a tube; anthers free, the connectives dilated dorsally from the base or from the apex into thin, scarious scales (connective scales) exceeding the anthers, the thecae some- times also appendaged; ovary with 3 placentae, each bearing 1-3 or more ovules; style usually erect, the stigma terminal. Capsules loculicidally and elastically 3- valvate, the seeds few, glabrous or pubescent, the endosperm copious and carnose.
Habit Shrubs trees
Distribution A pantropical genus of about 250-300 species especially well represented in tropical Africa and characteristic of the rain forest; five species known from Panama.
Reference Blake, S. F., Revision of the American species of Rinorea. Contr. U. S. Nat. Herb. 20: 491-518, pl. 31-37, 1924.
Key a. Leaves opposite; inflorescences racemose; connective dilated dorsally from the base into-brownish scales. b. Leaf blades oblique and rounded to slightly cordate at the base; bracteoles exceeding the pedicels; sepals 3-4.5 mm long; petals slightly longer than the sepals; filaments without dorsal glands --------------- 1. R. sylvatica bb. Leaf blades acute to obtuse at the base; bracteoles shorter than the pedicels; sepals 1.1-2.5 mm long; petals twice as long as the sepals or longer; filaments with a dorsal gland. c. Sepals 1.1-1.6 mm long; filaments ca 1 mm long; anthers with the thecae unappendaged; leaf blades narrowly obovate-elliptic to ob- ovate-elliptic, or narrowly elliptic, chartaceous - 2. R. squamata cc. Sepals 2-2.5 mm long; filaments scarcely 0.4 mm long; anthers with the thecae mucronate; leaf blades narrowly ovate, rigid- chartaceous ...... 3. R. brachythrix aa. Leaves alternate; inflorescences contracted-racemose (or of contracted cin- cinni) or paniculate; connective dilated only at the apex into brownish or whitish scales. d. Inflorescences paniculate; petals ca 3 mm long; dorsal glands of the filaments shorter than the filaments; connective scales broadly ovate, erose, brownish, exceeding the anthers by 0.5-0.8 mm; leaf blades nar- rowly elliptic to narrowly obovate or obovate, remotely repand-serrulate along the margins, rigid-chartaceous; tree ..-. - ... . 4. R. roureoides dd. Inflorescences contracted-racemose (or of contracted cincinni); petals up to 5 mm long; dorsal glands of the filaments about as long as the fila- ments; connective scales narrowly obovate-oblong, incised at the apex, whitish, exceeding the anthers by ca 1.5 mm; leaf blades narrowly ovate, entire-margined or almost so, membranous-chartaceous; shrub - 5. R. blakeana
 
 
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