Pacific Island Ecosystems at Risk (PIER)

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Desmodium uncinatum
(Jacq.) DC., Fabaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Reject, score: 6 (Go to the risk assessment)

Other Latin names:  Meibomia uncinata (Jacq.) Kuntze

Common name(s): [more details]

English: silverleaf desmodium, Spanish clover, Spanish tick-clover

Spanish: desmodio plateado, pega pega

Habit:  herb

Description:  "Herbaceous, ascending to erect; stem branched, densely uncinate-pubescent with stout trichomes; petioles 2-5.5 cm long; rachis 0.5-1.2 cm long; petiolules 2-2.5 mm long; leaflets nearly orbicular to rounded-ovate, acute to obtusish at apex, mucronate, rounded to subcordate at base, lateral leaflets only slightly if at all smaller than terminal, upper surface glandular pilose (and also uncinulate-puberulent) with a shining mostly glabrous portion adjoining the midrib, lower surface also glandular-pilose, margins ciliate, 3.5-5.5 cm long, 1.7-2.5 cm broad; stipules 0.8-1 cm long; stipels 2-6 mm long; inflorescence racemose, racemes axillary and terminal; rachis uncinulate-puberulent to -pubescent and sparsely to densely patent-pilose; primary bracts 4.5-8 mm long; secondary bracts up to 4.5 mm long; pedicels glandular-hispid, 0.6-1 cm long; calyx puberulent and hispid, central tooth of lower lobe 5 mm long, lateral teeth 3-4 mm long, bifid lobe ca. 4 mm long; standard 1 cm long, 0.9 cm wide, wings 1 cm long, 0.3 cm wide, keel-petals 1.1 cm long and 0.4 cm wide; loment stipitate, up to 7-articulate, articles semirhomboidal, densely uncinate-pubescent, ca. 5 mm long and 3 mm wide"  (Macbride, 1943; pp. 435-436).

"Erect herb with alternate, trifoliate leaves, white to pink papilionaceous flowers, and jointed pods" (Whistler, 1988; p. 24).

Habitat/ecology:  "Uncommon in pastures and disturbed places" (Whistler, 1988; p. 24). In Niue, used in forage trials; present status unknown (Sykes, 1970; p. 150).  "Probably introduced as a forage plant and not reported to be weedy yet in Samoa" (Whistler, 1988; p. 24).

Propagation:  Seed

Native range:  "Northern Argentina and Brazil to the northern boundary of Bahia, west to the east slopes of the Andes, the highlands of Venezuela"  (Macbride, 1943; pp. 435-436).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Cook Islands
Cook Islands
Cook Islands   McCormack, Gerald (2013)
Federated States of Micronesia
Chuuk Islands
Chuuk Islands   Swarbrick, John T. (1997) (p. 91)
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island   Swarbrick, John T. (1997) (p. 91)
Niue
Niue
Niue Island introduced
cultivated
Sykes, W. R. (1970) (p. 150)
D. adscendens sensu Sykes non (Sw.) DC. Voucher cited: CHR 150532
Niue
Niue
Niue Island introduced
invasive
Whistler, W. A. (1988) (p. 24)
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) introduced
ILDIS Co-ordinating Centre (2013)
Samoa
Western Samoa Islands
Upolu Island   Whistler, W. A. (1988) (p. 24)
Tonga
Tonga Islands
Tonga Islands   Whistler, W. A. (1988) (p. 24)
Tonga
Tongatapu Group
‘Eua Island   Yuncker, T. G. (1959) (p. 141)
Voucher cited: Yuncker 15609
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)
Australia (continental) introduced
ILDIS Co-ordinating Centre (2013)
Colombia
Colombia
Colombia (Republic of) uncertain if native
ILDIS Co-ordinating Centre (2013)
Ecuador (Mainland)
Ecuador
Ecuador (Republic of) (continental) uncertain if native
ILDIS Co-ordinating Centre (2013)
El Salvador
El Salvador
El Salvador (Republic of) native
ILDIS Co-ordinating Centre (2013)
Honduras
Honduras
Honduras (Republic of) uncertain if native
ILDIS Co-ordinating Centre (2013)
Mexico
Mexico
Mexico (United Mexican States) uncertain if native
ILDIS Co-ordinating Centre (2013)
Perú
Perú
Perú (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Perú
Perú
Perú (Republic of) uncertain if native
ILDIS Co-ordinating Centre (2013)


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This page was created on 31 AUG 2002 and was last updated on 15 OCT 2006.