Flora of Dominica, Part 2 - Smithsonian Institution Libraries

62 C APPARACEAE SMITHSONIAN CONTRIBUTIONS TO BOTANY
3. Inflorescence racemose: individual flowers or hits
subtended by a sessile, unifoliolate bract that is much
smaller than foliage leaves, or bractless.
4. Raceme bractless ............ C. serrata
4. Raceme with bracts.
5. Bracts equaling or slightly smaller than leaflets;
inflorescence open, few (3-l0-)-flowered;
leaves 3-foliolate .......... C. aculeata
5. Bracts much reduced and smaller than leaflets;
inflorescence dense, many-flowered; leaves
typically 5-7-foliolate.
6. Flowers typically purple, stamens attached -5
mm above petals; plants glabrous, unarmed
.................. C. speciosa
6. Flowers typically white; stamens attached at
receptacle; plant usually glandular pubescent,
typically with 2 stipular thorns at base of each
petiole. .............. C. spinosa
Cleome aculeata
Clem aculeata Linnaeus, 1768, 3:232.
Minutely glandular pubescent herb, often with pairs of
stipular spines at petiole attachment; leaflets typically 3; petals
white; gynophore inconspicuous (to 0.8 cm long). Resembles
Cleome rutidosperma A.P. Candolle.
Neotropics; in Dominica a weed along dry west coast to 50
m: Cabrits (Smith 10330), lower Layou Valley (Ernst 1524A),
Mero (Stern & Warshausen 2426), Roseau area (Ernst 1276,
Hodge 429,3869).
Cleome gynandra
Clem gynandra Linnaeus, 1753:671.-Iltis, 1960:284.
Clem pentaphylla Linnaeus, 1763:938.
Gynandropis pentaphylla (Linnaeus) A.P. Candolle, 1824,1:238.
Gynandropsis gynandra (Linnaeus) Briquet, 1914:382.
Viscid and fetid herb; leaflets 5-7; petals white; gynophore
1-5 cm long, with stamens or stamina1 scars about halfway;
floral bracts with 3 leaflets.
Native of Old World, now pantropical weed, occasional in
Dominica on dry west coastline: Goodwill (Emsf 1844, Wilbur
7570), Mero (Ernst 1662).
Cleome rutidosperma
CIeome rutidosperma A.P. Candolle, 1824, 1:21 1.-Iltis. 1960:290.
Cleome ciliata Schumacher, 1827:296(?); 1829,4:68.
Weak-stemmed herb with multicellular hairs; leaflets 3;
flowers axillary; petals white or pinkish with yellow spot on 2
central petals; anthers equaling petals; gynophore short, to 1.2
cm long. Resembles Cleome aculeata.
Native of West Tropical Africa, now pantropical weed; in
Dominica along coast: W. Cabrit (Whitefoord 3982), Clarke
Hall (Chambers 2800, Ernst 1271), Delices (Whitefoord 3700),
Hatton Garden (Hodge 3043), Melville Hall (Burch 1330),
Roseau (Nicolson 2080).
Cleome serrata
Clem serrata Jacquin, 1760:26.
CIeoms polygama Linnaeus, 1763:939.
Glabrous herb, leaflets 3, rarely unifoliolate,
sermlate; flowers ebracteate; petals white, rarely
gynophore short, to 1 cm long.
minutely
purplish;
Neotropics, including Guadeloupe; cited for Dominica,
without exclamation mark, by Al-Shehbaz (in Howard, 1988,
4:303), perhaps based on an error for Dominican Republic.
Cleome speciosa
Cleome speciosa Rafiiesque, 1817:86.-Kunh, 1821,5:84, pl. 436.
Glabrous or sparsely pubescent herb; leaflets 5-9; flowers
showy; petals pink to purplish, rarely white; stamens inserted
0.4-1.6 cm up the 4-5 cm long gynophore.
Probable native of Mexico but now widely cultivated; in
Dominica (cult. or escaped?): Laudat (Hodge 2001), Roseau
(some Hodge 130, Eggers 888), South Chiltern (Hodge 1514).
Cleome spinosa Jacquin, 1760:26.
Cleome spinosa
Glandular pubescent herb; petioles sometimes subtended by
a pair of stipular spines; leaflets typically 5-7; petals white or
(ours) flushed with pink, floral bracts obtuse to rounded;
gynophore 1-5 cm long; ovary puberulous.
Neotropics; in Dominica in weedy habitats (or cultivation?)
along dry west coast: Roseau area (Ernst 1278, Hodge 430
(some), 3858, Whitefoord 4700), South Chiltern (Hodge 1615).
This is not "C. spinosa" of gardens (C. hasslerianu) with
acute bracts, pink flowers and glabrous ovaries.
Cleome viscosa
Cleome viscosa Linnaeus, 1753:672.-Iltis, 1960:281.
Cleome icosandra Linnaeus, 1753:672.
Polanisia viscosa (Linnaeus) A.P. Candolle, 1824, 1:242.
Glandular pubescent herb; leaflets (3-) 5-7; flowers
axillary; petals yellow, equaling the stamens; gynophore
absent; fruit valves persistent.
Originally Asian (Australian?), now pantropical; common in
Dominica on dry west coast Batali River ridge (Webster
13403), Cabrit Swamp (Whitefoord 4069), Pointe Ronde
(Hodge 2695), Roseau area (Ernst 1275, 1295, Hodge 431,
3855,3894, Nicolson 1801,2081, Wilbur 7574).