Flora of Dominica, Part 2 - Smithsonian Institution Libraries

152 MELASTOMATACEAE SMITHSONUN CONTRIBUTIONS TO BOTANY
Miconia mornicola
Miconio mornicoh A.C. Niwlson, 1990120.
Dense tree to 3 m; young leaves and branches sparsely
rusty-scurfy; leaves heined, glabrous, coriaceous, glanddotted
beneath, margins dentate with incurved teeth, broadly
elliptic, abruptly bluntly caudate, base obtuse-acute, 3.5-5 cm
x 2.5-3 cm; petiole 1-1.5 cm; inflorescence pyramidalpaniculate,
to 7 cm; flowers 5-merous, pedicels 1 mm;
hypanthium 1.4 mm, rosy-purple, darker within; calyx white,
-1 mm, tube 0.4 mm, sepals triangular, 0.6 mm, persistent;
petals white, round, strongly reflexed, fugacious 1.7 mm x 2
mm; stamens 10, 3.5 mm long, broadly spreading at anthesis,
filaments 2 mm long, anthers to 1.5 mm, cream, connective
with a blunt, basal, bilobed, dorsal tooth to 0.5 mm long and a
lobed ventral appendage to 0.2 mm; style exserted before petals
open, to 4 mm long, glabrous, stigma scarcely expanded, ovary
white, 3-locular, 1/3 inferior; fruits globular, bluish, 3 mm;
seeds 15-20, smooth, 1.1 mm x 0.6 mm.
Known only in dwarf forests of Dominican mountain tops:
Mome Anglais (Nicolson 41 06), Mome Diablotins (Chambers
2643, Lack et al. 1,2), Mome Trois Pitons (Ernst 1116A, 2041,
Hodge 1420). Flowering early December, fruiting late January
(Chambers, Nicolson).
Miconha racemosa
Miconio rocemoso (Aublet) A.P. Candolle. 1828,3:179.-Howard & Kellogg,
1986249.
Metastoma racemosum Aublet. 1775:406, “racemosa.”
Shrub to 5 m; leaves 5-veined, k rugose, pubescent along
veins above and below, margins crenate, setose, broad-elliptic,
acute to short-acuminate, base obtuse, to 19 cm x 11 cm;
petiole to 2 cm; inflorescence paniculate, to 12 cm; flowers
5-merous, sessile; hypanthium 1 mm; calyx 0.5 mm; petals 1.5
mm, pinkish; fruit globular, smooth, dark blue, 3 mm.
Neotropics; locally common on Dominica at low to
mid-elevations (150-650 m): Clyde River valley (Ernst 2082),
Freshwater Lake (Whitefoord 3852), Hungry Hill Estate
(Whitefoord 4430), Petit Macoucheri road (Whitefoord 6134),
Pont Casse area (Ernst 1285, King 6344, Webster 13397,
Wilbur 7561), Sylvania (Hodge 502, Wilbur 771 7). Flowering
May-August, fruiting July-August, December, and May.
Miconia striata
Miconio sfrioto (Vahl) Cogniaux in A.L. & A.C. Candolle, 1891, 7:765.-
Domin, 193&:40.-Howard & Kellogg, 1986251.
Melosfom strioturn Vahl, 1807, Eclog., 3:14, ”striafa.”
Melastoma elongotwn Vahl, 1807, Eclog., 3:16, “elongofo.”
Melastom semicrenotwn L Richard in Humboldt & Bonpland, 1809a:69,
“semicrenota.”
Tetrozygio semicrenoto (L. Richard) Grisebach. 18609%.
CrB-crB grand bois.
Shrub or small tree to 10 m; leaves 3-veined, glabrous,
glossy, margins f dentate, ovate to ovate-lanceolate, acuminate
to attenuate, base obtuse, to 25 cm x 8 cm; petiole to 4 cm;
inflorescence paniculate, to 13 cm, diffuse; flowers 5-merous,
pedicels >2 mm; hypanthium, glabrous, white or pink, 2 mm;
calyx 1 mm, spreading, irregularly 3-5-split, sometimes f
calyptrate; petals 6 mm, white; filaments 6 mm, glandular;
anthers 3 mm, white; style 9 mm; fruit 10-ribbed, purplish, 4
mm.
Lesser Antilles; common on Dominica in woodlands to 1100
m: Belle View (Cooper 173), Calibishie (Emst 1557, Hodge
3155), Clarke Hall (Ernst 1261), Carib Reserve (Hodge 3210,
Stehle 6389,6434), Cochrane (Skog 1578), Grand Bay (Wilbur
7918), Hatton Gardens (Hodge 2943, 3032), La Chaudiere
(Hodge 3599), La Soie (Eggers 1079), Laudat (Gillis 8181,
8183), L’Imprevue (Narodny s.n.), Lisdara (Cooper 165,
Hodge 505), Marigot (Hodge 504), Melville Hall (Hodge 504),
Mero (Ernst 1985), Milton (Hodge 2574), Montpelier (Lloyd
573), Morne Anglais (Dupigny s.n., Wilbur 7976), Portsmouth
(Hodge 503), Rosalie (Lloyd 708A), Salisbury (Webster
13493), South Chiltem (Hodge 1447,3875), S ylvania (Hodge
3967, Webster 13408, Wilbur 7711), Syndicate (Whitefoord
4338, 4462), Vieille Case (Cowan 1598), sine loc. (Fishlock
24). Flowering February-August, fruiting June, July, January.
The leaf nervation character used by Howard (1989,5552)
to separate Miconia cornifolia (Desrousseaux) Naudin (3-
nerved) from M. striata (5-nerved) is weak in that most
specimens of M. striata are as 3-nerved as M. cornifolia (see
under excluded Miconia).
Miconia tetrandra
Miconio tetrondra (Swartz) D. Don in Loudon, 1830:174.-Dornin,
1930b:42.-Howard & Kellogg, 1986:251.
Melastom tetrondrwn Swartz, 1788:12, “tetrondra.”
Small tree to 4 m; leaves 3-veined, finely white-stellate
pubescent beneath, oblong-ovate, acuminate, base rounded or
obtuse, to 20 cm x 8 cm; petiole to 6 cm; inflorescence
pyramidal, to 13 cm, white-pubescent; flowers 4-merous;
hypanthium 1.5 mm; calyx 0.5 mm; petals white, 2.5 mm;
stamens 4 mm; style 4 mm; fruit purplish black, 3 mm.
Antilles; at lower elevations on Dominica (to 600 m):
Calibishie (Emst 1558), La Chaudiere (Hodge 3522 at GH), La
Soie (Eggers 749 at GH), Laudat (Eggers 1078), Pointe Ronde
(Hodge 2671 at GH), Pont Casse road to Bells (Whitefoord
5845). Flowering October, flowering and fruiting June.
Miconia trichotoma
Miconio frichotoma (Desrousseaux) A.P. Candolle, 1828, 3:188.--Domin,
1930b:41.-Howard & Kdlogg. 1986:252.
Melasfom trichotomwn Desrousseaux in Lamarck, 1797, Encycl., 4:53,
“ frichotom ,I’
Miconio rivoerioe Naudin, 1851 : 170.
Cremoniwn rivoerioe (Naudin) Grisebach, 1860:262.
Shrub to small tree to 8 m; leaves 3-veined, glabrous,