Leaves
alternate, often of 2 sizes, sessile, ericoid, often pungent, usually twisted, with margins often incurved
Capitula
discoid, 3-8(-13)-flowered, crowded at ends of branchlets, sessile or subumbellate, rarely solitary; florets bisexual, fertile or some sterile
Involucral
bracts with undivided stereome, narrowly campanulate or cylindric; bracts in 4-6 rows, outer bracts oblong, usually acuminate, woolly on back, innermost bracts linear, with large, white or coloured appendage at apex
Receptacle
epaleate
Ray florets
0
Disc florets
cylindric, becoming subcampanulate upwards, thick-textured, often reddish on upper part with 5 small, deltoid, whitish, glabrous lobes
Anthers
tailed at base, with a lanceolate, apical appendage
Style
linear, swollen at base, branches truncate or slightly rounded, sweeping hairs extending briefly down backs of branches, stigmatic areas separated, sometimes joined at tip
Cypselas
oblong or elliptic, ribbed or angled, often asymmetrical, rarely somewhat winged, tapered at both ends, glabrous or papillate; annulus 0
Pappus
of many scabrid bristles in 1 row, tips flattened and ± clavate, as long as corolla
x = 7
Nomenclature:
Metalasia
R.Br.
Brown: 124 (1817)
Harvey: 265 (1865)
Pillans: 47 (1954)
Hilliard & Burtt: 218 (1981)
Karis: 1 (1989)
Anderberg: 73 (1991)
Anderberg: 332 (1994)
Endoleuca
Cass.
Cassini: 47 (1819)
Distribution & Notes:
Southern Africa
: Species 52, 47 species endemic to the Western Cape
Metalasia muricata
(L.) D.Don and
M. trivialis
Karis in Western and Eastern Cape
M. aurea
D.Don and
M. massonii
S.Moore in Eastern Cape
M. densa
(Lam.) Karis, widespread in Northern Province, Gauteng, Mpumalanga, Free State, KwaZulu-Natal, Lesotho, Western and Eastern Cape
References:
ANDERBERG, A.A. 1991. Taxonomy and phylogeny of the tribe
Gnaphalieae
(
Asteraceae
).
Opera Botanica
104
ANDERBERG, A.A. 1994. Tribes
Inuleae
,
Plucheeae
,
Gnaphalieae
. In K. Bremer,
Asteraceae
, cladistics and classification
. Timber Press, Portland, Oregon
BROWN, R. 1817. 11. Some observations on the natural family of plants called
Compositae
.
The Transactions of the Linnean Society of London
12
CASSINI, A.H.G. DE. 1819. Cassini on
Compositae
.
Dictionnaire des sciences naturelles
14
HARVEY, W.H. 1865.
Compositae
.
Flora capensis
3
HILLIARD, O.M. & BURTT, B.L. 1981. Some generic concepts in
Compositae
-
Gnaphaliinae
.
Botanical Journal of the Linnean Society
82
KARIS, P.O. 1989. Systematics of the genus
Metalasia
(
Asteraceae
-
Gnaphalieae
).
Opera Botanica
99
PILLANS, N.S. 1954. A revision of
Metalasia
.
Journal of South African Botany
20
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