Ajuga nipponensis

日本筋骨草

Ajuga nipponensis Makino

名彙資訊

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Makino, The Botanical magazine, Tokyo 23: 67. 1909. (Bot. Mag. Tokyo, 植物學雜誌)

Ajuga genevensis auct. non L.

Matsum. & Hayata, Enumeratio Plantarum Formosanarum 319. 1906. (Enum. Pl. Formos.)
Ajuga macrosperma Kudo

Kudo, Memoirs of the Faculty of Science and Agriculture Taihoku Imperial University 2: 290. 1929. (Mem. Fac. Sci. Agr. Taihoku Imp. Univ., 台北帝國大學理農學部紀要)
Ajuga matsumurana Kudo

Kudo, Journal of the Society of Tropical Agriculture 3: 225. 1931. (J. Soc. Trop. Agr., 熱帶農學會誌)
Ajuga labordei auct. non Vaniot

Masam., A list of vascular plants of Taiwan 108. 1954. (List Vasc. Taiwan, 台灣植物目錄)

herb

Erect or procumbent herbs, covered with septate hairs; stems tufted.
Leaves 2–5 pairs, upper leaves reduced to leafy bracts, petioles 1–3 cm long, winged; blades 4–7 cm long, 1–2.5 cm wide, elliptic to narrowly obovate, base cuneate, apex obtuse, margins coarsely crenate-dentate, both surfaces villous.
Flowers in axillary verticils forming terminal spikes, up to 6 cm long; corolla white, 10–12 mm long; pollen grains tricolpate, subprolate, 20×15 m, tectum perforate, exine reticulate.
Nutlets 2–2.5 mm long.
Chromosome number 2n = 32.