Angelica dahurica var. formosana

野當歸

endemic

Angelica dahurica (Fisch.) Benth. & Hook. var. formosana (Boiss.) Yen

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

Yen, J. Taiwan Pharm. Assoc. 17(2): 68. fig. 1. 1965.

同發表文獻

Angelica formosana Boiss.

Boiss., Bulletin de la Société Botanique de France 56: 354. 1909. (Bull. Soc. Bot. France)
Angelica dahurica auct. non (Fisch.) Benth. & Hook.

Odashima, Journal of the Society of Tropical Agriculture 7: 82. 1935. (J. Soc. Trop. Agr.)

Wang, Chen, Hsu, Hung & Huang, Botanical Studies 65(3): 1-18. 2024.
W. C. Lin, Wild flowers of Taiwan - the 1300 species found in the lower elevation . 2005. (Wild flowers of Taiwan)
Yang, A list of plants in Taiwan . 1982. (List Pl. Taiwan)

herb

A perennial herb. roots thick, tuberous; stems stout, 1–2 m high, hollow, the basal part 5–8 cm in diameter.
Radical and lower leaves large, petiolate, ovate to deltoid, 50–80 cm long, bi-tripinnately compound; leaflets ovate to ovate-lanceolate, 5–10 cm long, 2–5 cm broad, the apex acute, the margins serrate, the nerves on the upper surface scabrous, slightly pubescent beneath, sessile or petiolate; petioles stout, broadly sheathing; cauline leaves reduced upward, with conspicuously dilated and often bladeless sheaths.
Umbels large, the upper umbels densely pubescent, the lower umbels glabrous; peduncles stout, 5–10 cm long; rays 20–40, 4–7 cm long, subequal; involucels several, linear-lanceolate, shorter than the flowers; pedicels 5–10 mm long. Flowers white; calyx-teeth obsolete; petals ovate to obovate; style reflexed.
Fruit dorsally compressed, oblong, 5–7 mm long, 4–5 mm broad, pubescent or glabrous; commissure broad, the dorsal ribs low and rounded; lateral wings very thin, broader than the body. Vittae solitary in the interval, 2 on the commissure. Seeds dorsally compressed.