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Project Name Data (Last Modified On 3/6/2013)
 

Flora Data (Last Modified On 3/6/2013)
Genus DALBERGIA L. f.
PlaceOfPublication Suppl. P1. Syst. Veg. 52. 1781, nom. gen. conserv.
Synonym Amerimnon P. Br., Civ. Nat. Hist. Jam. 288. 1756. Ecastaphyllum P. Br., loc. cit. 299. 1756. Acouroa Aubl., Hist. P1. Gui. Fr. 753. 1775.
Description Trees or shrubs. Leaves imparipinnate, the leaflets usually alternate, 3 to several, rarely 1; stipules ovate to subulate, small. Inflorescences paniculate (oc- casionally racemose), terminal or axillary. Flowers small, on short pedicels; bracts and bracteoles soon deciduous; hypanthium subgibbous, campanulate, the teeth 5; petals subequal, clawed, the carinal petals coherent along the lower margin; stamens 10, monadelphous or disposed in 2 fascicles of 5, the anthers minute, basi- fixed, dehiscing by 2 horizontal slits; ovary obviously stipitate, the style subulate, the stigma capitate or indeterminate. Fruits stipitate, oblong to rotund, occasionally constricted medially, wingless or with the wing surrounding the seminiferous area, lightly reticulate, the margin not thickened, the seeds solitary or rarely 2, flat.
Note About 200 species in the tropics of the Old World and the New World.
Key a. Leaves several-foliolate; inflorescences patulous. b. Carinal tooth of hypanthium not equal to or exceeding the fused portion in length; blade of vexillum subcuneate. c. Hypanthium obviously carnose; ovary glabrous, fruit at maturity flat --------------------------------------------------------1. D. CUSCATLANICA cc. Hypanthium petaloid to scarcely carnose; ovary rarely glabrous; fruit at maturity nummiform, at maturity turgid -2. D. MONETARIA bb. Carinal tooth of hypanthium equal to or exceeding the fused portion in length; blade of vexillum subreniform; pistil glabrous -3. D. RETUSA aa. Leaves 1-foliolate; inflorescences compressed. b. Leaflets ovate-oblong, oblong or oblong-rotund, rarely ovate, 2-8 cm. wide; flowers crowded; style about 2.5, mm. long - 4. D. ECASTOPHYLLA bb. Leaflets ovate, up to 5 cm. wide; flowers patulous; style up to 1.7 mm. long -----------------.5. D. BROWNEI
 
 
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