Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Stylosanthes hamata
Taub., Fabaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: you gou zhu hua cao

English: Caribbean stylo, Caribbean stylo, cheesytoes, verano

Spanish: verano

Habit:  herb

Description:  "Herbs or shrublets, 10-50 cm tall, prostrate or ascending. Stems sparsely pubescent. Stipules sheathing, 4-12 mm. Leaves 3-foliolate; petiole short; petiolules ca. 0.5 mm; leaflet blades ovate, elliptic, or lanceolate, 8-14 x 3-5 mm, commonly glabrous, base cuneate, margin setose, apex acute and mucronate. Inflorescences 1-1.5 cm, with 2-10 clustered flowers, each flower subtended by a rudimentary axis; primary bracts 1-1.2 cm, spreading setose; secondary bracts 2-3.5 x ca. 0.5 mm. Bracteoles ca. 2 mm. Hypanthium 2-2.5 mm. Calyx tube oblong, ca. 2 x 1 mm. Corolla yellow, with red slender striations; standard ca. 4 x 3 mm. Legume quadrate, 2-3.5 x ca. 2 mm, commonly pubescent, with 2 articles, beak 3-3.5 mm and uncinate. Seeds light brown, ellipsoid, ca. 2 x 1 mm"  (Flora of China online).

"Herb with trifoliate leaves, small yellow pea flowers and stipules. Short-lived, much-branched, low, spreading perennial to 0.5 m tall; band of fine whitish hairs on stem and lacks bristles.  Leaflets prominently veined, 10-28 mm long, 2-5 mm wide.  Pod with hook c. 4 mm.  Seed reddish-brown" (Smith, 2002; pp. 65-66).

Habitat/ecology:  "Grow on a wide range of soils including lighter, poorer quality soils.  Suited to warm humid areas with high rainfall.  Establish on disturbed sites, along roadsides and around settlements." (Smith, 2002; pp. 65-66).

Propagation:  "Large amounts of seed produced and dispersed by stock and animal movement, as a contaminant of hay, and by vehicles and machinery, e.g. slashers and graders" (Smith, 2002; pp. 65-66).

Native range:  Florida, Caribbean, Central and South America (GRIN).

Presence:

Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia
Australia (continental)
Northern Territory introduced
invasive
cultivated
Smith, Nicholas M. (2002) (pp. 65-66)
Australia
Australia (continental)
Queensland introduced
invasive
cultivated
Smith, Nicholas M. (2002) (pp. 65-66)
Central America
Central America (Pacific rim)
Guatemala (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America
Central America (Pacific rim)
Nicaragua (Republic of) possibly native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Central America
Central America (Pacific rim)
Panama (Republic of) uncertain if native
ILDIS Co-ordinating Centre (2013)
China
China
China (People's Republic of) introduced
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
"Reported as cultivated in Hainan".
Mexico
Mexico
Mexico (United Mexican States) uncertain if native
ILDIS Co-ordinating Centre (2013)
South America (Pacific rim)
South America (Pacific rim)
Colombia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
South America (Pacific rim)
South America (Pacific rim)
Colombia (Republic of) uncertain if native
ILDIS Co-ordinating Centre (2013)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
USA (Florida) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

  [   PIER species lists  ]   [   PIER home  ]

This page was created on 3 APR 2005 and was last updated on 14 DEC 2010.