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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Artemisia

104. Artemisia somae Hayata, Icon. Pl. Formosan. 8: 64. 1919.

台湾狭叶艾 tai wan xia ye ai

Herbs, perennial, 60-120 cm tall, densely grayish white sericeous-puberulent, later glabrescent. Lower and middle stem leaves: petiole 1.5-2.5 cm; leaf blade oblong-obovate or elliptic-obovoid, 10-12 × 3.5-4 cm, abaxially grayish white, persistently sericeous-puberulent, adaxially drying blackish, sparsely sericeous-puberulent, glabrescent, 2-pinnatisect; segments (3 or)4 or 5 pairs, distal lobes or terminals of lateral lobes (2 or)3(or 4)-lobulate; lobules lanceolate or linear-lanceolate, 5-8 × (2-)3-4 mm, acuminate apically. Uppermost leaves and leaflike bracts pinnatisect, 3-sect, or entire. Synflorescence a subterminal, ± narrowly conical panicle to 16 cm; branches few, ascending, to 4 cm; bracts minute. Capitula erect or spreading; peduncle to 5 mm, minutely bracteolate. Involucre broadly ovoid or hemispheric, 3.5-4 mm in diam.; phyllaries white pubescent. Marginal female florets 8-15. Disk florets 18-25, bisexual; corolla with lower part barbate or not. Achenes oblong-ovoid. Fl. and fr. Nov-Feb.

● Rocky slopes, mountain peaks, limestone crevices on dry ridges; 1500-2400 m. Taiwan.

1 Lower part of corolla glabrous.   104a var. somae
+ Lower part of corolla barbate.   104b var. batakensis

Lower Taxa


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