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Compositae Giseke

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Giseke
Giseke
1792
ICN
family
Compositae

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Compositae

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Compositae Giseke

Fls (florets) densely clustered in heads (capitula) on a common receptacle invested by an involucre of imbricating phyllaries in 1 or more series. Florets all similar (head homogamous) or disk-florets and ray-florets dissimilar (head heterogamous). Calyx united to ovary crowned by pappus of hairs or scales or nude. Corolla ligulate or tubular; stamens 5, epicorolline; anthers syngenesious, often appendaged. Ovary inferior, 1-celled; ovule basal, anatropous. Style branched into 2 stigmatic arms. Fr. an achene. A nearly cosmopolitan family with over 900 genera and 14000 spp. Practically all the main growth-forms are represented. Endemic to N.Z. are: , , , , , , .
Annual to perennial herbs, sometimes shrubs or trees, rarely epiphytes or climbers. Lvs usually opposite or alternate, sometimes whorled, often all basal, simple and entire to variously dissected, rarely compound; stipules 0. Fls (florets) commonly 5-merous, ☿, neuter or unisexual, sessile, nearly always in compact heads (capitula) on a common receptacle, sometimes individually subtended by bracts (scales), the whole capitulum surrounded by few to many bracts, very rarely florets solitary in panicles or capitula reduced to 1 floret. Capitula solitary or few to numerous in dense or diffuse cymes, panicles or less often spikes, racemes or other infl. types. Calyx epigynous, modified as pappus of scales, awns or hairs, sometimes reduced to a small corona or 0. Corolla epigynous, actinomorphic and filiform or tubular, or zygomorphic with an extended limb (ligule), often the outer florets ligulate (ray florets) and the inner tubular (disc florets) or all florets either ligulate or tubular. Stamens as many as corolla lobes and alternate with them; filaments free; anthers 2-locular, usually connate into a tube, very rarely scarcely connate, dehiscing introrsely. Ovary inferior, 1-locular; style 2-fid, often undivided in ♂ florets; ovules solitary, anatropous. Fr. usually an achene, often crowned by a persistent pappus, rarely a drupe.

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Australia
Victoria
New Zealand
Canterbury Land District
New Zealand
Nelson Land District
New Zealand
Otago Land District
United Kingdom
United States
Compositae Giseke
Australia
New South Wales
Compositae Giseke
New Zealand
Canterbury Land District

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91cd370d-9c0e-482b-9ce5-95aa91f83328
scientific name
Names_Plants
13 March 2002
7 November 2022
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