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Cotula lanata (Hook.f.) Hook.f.

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(Hook.f.) Hook.f.
Hook.f.
Hook.f.
1864
141
ICN
species
Cotula lanata

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lanata

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Cotula lanata (Hook.f.) Hook.f.

A robust but small-leaved, diffusely creeping perennial herb. Rhizomes on soil or rock surface, stout, 1-4 mm diam., covered with a thick mat of tangled woolly hairs but eventually becoming ± glabrous, brown and slightly woody; branches us. clustered, up to 4 radiating from around a flowering node, often repeated every few nodes several times per season; leaves 2-4 clustered at the apex, most 2-5 cm distant. Short shoots us. absent, occ. present as a few reduced leaves. Roots largely confined to older stems, us. slender, up to 1 mm diam. Leaves 1-pinnatifid, 1.0-2.5 × 0.4-1.0 cm; blade 0.5-2.0 cm long, broadly elliptic, thick, subfleshy, light green, with a few woolly hairs when young, especially on rhachis, later glabrous; midrib not raised on ventral surface; pinnae 3-5 pairs, distal ones overlapping, cut to rhachis, broadly elliptic or oblong if undivided; teeth up to 4 per pinna, on larger pinnae, mostly on distal margin, cut ca. ½ across pinna, triangular, obtuse. Peduncles borne on rhizomes, longer than leaves, 1-3 cm, nude, slender but with a thick mat of woolly hairs. Monoecious. Heads 0.6-1.0 cm diam., surface hemispherical; involucre hemispherical; phyllaries ca. 30 in 2-3 subequal rows, broadly elliptic, thick and subfleshy, green with deciduous woolly hairs and a narrow us. transparent scarious margin, not growing after anthesis; pistillate florets 50-100 in 2 or more rows, ca. 3.0 mm long, almost straight, yellow-green, corolla twice as long as wide, with equal teeth, staminate florets fewer, 70-90. Achenes up to 2.3 × 0.8 mm, not compressed, obscurely 4-angled, golden-brown, shiny, unwrinkled. Probably flowers from spring to autumn.

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Cotula lanata (Hook.f.) Hook.f.
Cotula lanata (Hook.f.) Hook.f.
Cotula lanata (Hook.f.) Hook.f.
Cotula lanata (Hook.f.) Hook.f.
Cotula lanata (Hook.f.) Hook.f.
Cotula lanata (Hook.f.) Hook.f.
Cotula lanata (Hook.f.) Hook.f.
Cotula lanata (Hook.f.) Hook.f.

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8f282f7f-c28a-443a-babe-07d6a24ce753
scientific name
Names_Plants
18 December 2002
10 November 2005
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