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FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Artemisia

33. Artemisia globularia Chamisso ex Besser, Nouv. Mém. Soc. Imp. Naturalistes Moscou. 3: 64. 1833.

Ajania globularia (Besser) Poljakov; Artemisia norvegica Fries subsp. globularia (Besser) H. M. Hall & Clements

Perennials, (3–)5–16(–30) cm (cespitose), faintly aromatic (not rhizomatous, taproots stout, caudices simple or branched, proximal branches clothed with persistent leaf bases). Stems 1–5, erect, whitish gray, densely tomentose. Leaves mostly basal (cauline 1–4), greenish to whitish green; blades (basal) 1–4.5 × 0.6–1.5 cm, 1–2-ternately to palmately lobed (flowering-stem blades 3-lobed), faces sparsely hairy. Heads (2–20, peduncles 0 or to 25 mm) in subcapitate to capitate arrays 2–3 × 2–3 cm. Involucres campanulate or hemispheric, 3.5–6 × 6–11 mm. Phyllaries lanceolate (margins brown), pilose. Florets: pistillate 9–10; bisexual 20–30; corollas yellow or reddish black, 2–3 mm, sometimes glandular. Cypselae oblong, 1.5–2.5 mm, (apices flattened) glabrous.

Subspecies 2 (2 in the flora): nw North America, Asia.


1 Corollas reddish black; cypselae ca. 2.5 mm, margins with relatively narrow ribs   33a Artemisia globularia subsp. globularia
+ Corollas yellow; cypselae 1.5–2 mm, margins with relatively broad ribs   33b Artemisia globularia subsp. lutea


 

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