Flora of Dominica, Part 2 - Smithsonian Institution Libraries

190 RU~IACEAE SMITHSONIAN CONTRIBUTIONS TO BOTANY
1. Leaves ovate-elliptic, >5 cm long; inflorescence manyflowered.
2. Leaves >15 cm long, glabrous above, pubescent below
only on veins; stipules broad, >1 cm long .......
...................... G. crhpflora
2. Leaves to 10 cm long, scabrous above, tomentose
below; stipules narrow, c1 cm long ..... G. scabra
Guetkarda crispflora
Guettarda crbpgora Vahl, 1797, Eclog., 1:36, pl. 6.Standley in North
Amer. EL., 1934,32:233.Steyermark 1972367.
Small tree to 12 m (noted 5 cm dbh at 1100 m on Diablotins);
peduncles once-forked with elongate branches; corollas
fringed, white to pink; fruits turgid, becoming 4-angled when
dry.
Montserrat to Grenada (other subspecies in South America);
occasional in Dominica in interior, 600-1OOO m: Morne
Micotrin area (Chambers 2737, Ernst 1089,2174, Wasshausen
& Ayensu 333, Webster 13258, Wilbur 8198), Morne Diablotins
(Hodge 2798, Whitefoord 4561), Rosalie (Eggers 636), sine
loc. (Zmray s.n.).
Guettarda odorata
Guettarda odorata (Jacquin) Lamarck [1792, Tabl., 1, pl. 154: fig. 4, sine
nom.], 1819, Tabl., 2:219.Standley in North her. FI.. 1934. 32259,-
Steyermark, 1972360.
Luugieria odorata Jacquin, 1760:16.
Guettarda prviflora Vahl, 1798, Eclog., 2:26.Standley in North her. Fl.,
1934.32257.
Guettarda parvifolia Swartz, 1806:1958.
Shrub to 4 m with few-flowered cymes to 2 cm long; corollas
white, margins entire; fruits turgid, not ridged when dry.
West Indies (not Jamaica) to Isla Marguerita; occasional to
abundant in Dominica north of the Grand Savanne: south
slopes of Batali River (Ernst 1643), Gabriel slopes (Wilbur
8241, 8273), sine loc. (Zmray s.n.). Flowering June-August,
fruiting in August.
Steyermark (1972:360) re-lectotypified Laugieria ,odorata
Jacquin on Cuban material, rather than on Colombian material
(= G. divaricata) as previously done by Standley.
Guettarda scabra
Guettarda scabra (Linnaeus) Ventenat, 1803:1, pl. l.-Lanarck [1792, Tabl.,
1, pl. 154: fig. 3, sine nun.], 1819, Tabl., 2:218.Standley in North Amer.
FI., 1934.32:239.Steyermark, 1972365.
Matthiola scabra Linnaeus. 1753:1192.
Guettarda rugosa Swartz, 1788:59.
Pasture wattle, bois savanne.
Shrub or tree to 10 m; inflorescence 4-branched; flowers
crowded, petals white to pink, entire; fruits spherical.
Neotropical into Venezuela; common to occasional in
Dominica near coasts to 200 m: East coast (Ernst 1369, Hodge
3186, Stehlt 6381, 6419), North coast (Ernst 1686, 1830,
Hodge 698, 3139, Lloyd 663, Wilbur 7519, 8300), West coast
from Capuchin to Grand Savanne (Ernst 1391, Hodge 3497,
3787, Lloyd 726, Nicolson 1913, Stern & Wasshausen 2448,
2540, Wasshausen & Ayensu 383, Webster 13405, Whitefoord
4488, Wilbur 7650), South coast (Wilbur 7904).
Used for living fences.
Hedyotis Linnaeus
Small herbs with capsular, bilocular, loculicidal fruits.
1. Leaves tiny (2-3 mm long), rotund; flowers solitary
..................... H. callihichoides
1. Leaves 1-2 cm long, lanceolate-linear; flowers paired or in
cymes.
2. Flowers usually paired in leaf ails, pedicels >1 cm long
...................... H. commutaka
2. Flowers several, in peduncled cymes, pedicels 4 cm
long. .................. H. corymbosa
Hedyotis callitrkhoides
Hedyotb callitrichoides (Grisebach) W.H. Lewis, 1961 :222.-Whitefoord,
1989:146.
Oldenlandia callitrichoides Grisebach, 1862a:506.-4tandley in North Amer.
FI., 1918,32:11.
Oldenlandiopsk callitrichoides (Grisebach) Terrell & W.H. Lewis, 1990:185.
Scattered in northern neotropics; an easily overlooked herb,
often in cracks of terraces or stairs: La Plaine (Whitefoord
5374), South Chiltem Estate (Ernst 1873).
Hedyotis commutaka
Hedyotis convnutata J.H. & J.A. Schultes in Rcemer & Schultes, 1827 [Jul],
3(Mant.):l34.-Whitefoord, 1989:146.
Hedyotb Iancifolia Schumacher, 1827 [month?]:72.-Howard, 1989,6:424.
Oldcnlandia Iancifolia (Schumacher) A.P. Candolle, 1830, 4:425.-
Steyermark. 1972309.-Verdcourt in Milne-Redhead & Polhill, 1976, Rub.,
292.
Widespread weed; new record for Dominica: Trafalgar Falls
road (Whitefoord 4589).
It is assumed that Hedyotis cornmututu was published before
H. lancifolia.
Hedyotis corymbosa
Hedyorb corymbosa (Linnaeus) Lamarck, 1792, Tabl., 1:272.
Oldcnlandia corymbosa Linnaeus, 1753:119.-Steyermark, 1972309
Pantropical weed; occasional in Dominica in exposed or
disturbed places: Baiac road (Whitefoord 4-36]), Cabrits
(Whitefoord 4037), Clarke Hall (Ernst 1503), G-dwill (Ernst
1279), Roseau streets (Ernst 2148, in a diminutive and dense
aspect), Scotts Head (Ernst 1333, Wilbur 7600), Soufri&re
(Lloyd 406, not seen), Tarou cliffs (Nicolson 1966), Wallhouse
(Eggers 571).