Flora of Dominica, Part 2 - Smithsonian Institution Libraries

146 MEIASTQMATACEAE SMlTHSONIAN CONTRIBUTIONS TO BOTANY
6. Calyx limb not calyptrate.
8. Flowers with conspicuous bracts.
9. Leaves 3-veined, glabrous; flowers with 2 pairs of bracts, 6-merous
........................... Blakea pulverulenta
9. Leaves 5-veined; stellate pubescent beneath; flowers with 1 pair of bracts,
5-6-merous ........................... Miconia
8. Flowers without conspicuous bracts.
10. Leaves thy, 1 cm long.
11. Hypanthium densely setose with coarse, branched hairs; calyx lobes
ovate, rigid, erect, persistent .......... Pterolepis glomerata
11. Hypanthium and calyx not as above.
12. Leaves large, >10 cm broad, l-9-veined ..............
........................ Graffenrieda latifolia
12. Leaves not as broad, 3-5-veined.
13. Inflorescences borne below leaves; flowers 4-merous.
14. Plants hirsute; leaves 5-veined ... Clidemia guadalupensis
14. Plants glabrous; leaves 3-veined . .. Henriettella latenflora
13. Inflorescences terminal or in leaf axils; flowers 4-5-merous.
15. Mature leaves hirsute above .............
Clidemia
15. Mature leaves glabrous above.
16. Mature leaves pubescent beneath, at least on veins.
17. Pubescence rusty; flowers 5-merous . ..... Miconia
17. Pubescence white; flowers 4-merous.
18. Leaves 3-veined, elliptic; inflorescences pyramidalpaniculate
............. Miconia tetrandra
18. Leaves 3-5-veined, ovate-lanceolate; inflorescences
corymbiform ................ Tetrazygia
16. Mature leaves glabmus beneath.
19. Leaves * sessile (petiole 5 mm); base rt cordate .....
...................... Miconia ernstii
19. Leaves distinctly petioled; base rounded, at most.
20. Leaves 3-veined ................ Miconia
20. Leaves 5-veined.
21. Anthers h ose (slit) .......... Charianthus
21. Anthers with apical pores ......... Miconia
Blakea Browne
Blakea pulverulenta
Btakm pulverulenta Vahl, 1794,3:61.--Domin, 19306:44.
Blab lawifolio Naudin. 1852143.
Lavande.
Epiphytic shrub or tree to 8 m; leaves 3-veined, glabrous,
coriaceous, ovate to obovate, short-acuminate, base tapering, to
10 cm x 5 cm; petiole to 1.5 cm; flowers large, fragrant
6-merous, 1 or 2 per axil; pedicel to 4 cm; 4 large bracts to 1.3
cm enclosing bud; sepals 4 mm; petals 1 cm, pink; stamens 12,
creamy yellow.
Lesser Antilles and Trinidad; locally abundant in moist
forests at mid-elevations (400-800 m) of Dominica: Bells
(Whitefoord 6143), Boiling Lake (Eggers 614 at GH), Deux
Branches (Hodge 3467, Howard 11773), En Haut Jean
(Webster 13526), Freshwater Lake (Whitefoord 3854), Laudat
(Lloyd 190), Lisdara (Hodge 2368, 2482), Morne Micotrin
(Ernst 1472, Gillis 8162, Wilbur 7424), Morne Plat Pays (Gillis
8111), Riversdale (Howard 11773), South Chiltern (Stern &
Wasshamen 2488). Flowering March-July.
Charianthus D. Don
1. Branchlets and petioles k setose; leaves k rugose,
white-scurfy beneath along veins ......
C. purpureus
1. Plants not setose; leaves not rugose, glabrescent.
2. Leaves coriaceous, veins often red beneath; inflorescence
a paniculate cyme; flowers large (petals >1 cm
long) ..................... C.alpinus
2. Leaves not coriaceous, veins not reddish; inflorescence