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FOC | Family List | FOC Vol. 17 | Lamiaceae | Pogostemon

11. Pogostemon xanthiifolius C. Y. Wu & Y. C. Huang, Fl. Yunnan. 1: 744. 1977.

苍耳叶刺蕊草 cang er ye ci rui cao

Herbs. Stems ca. 1 m. tall, much branched; branches and stems densely minutely hispid, slightly swollen at nodes. Petiole 0.5-4 cm; leaf blade ovate to broadly ovate, 3-8 × 2-7 cm, densely minutely hispid, adaxially dark green, base broadly cuneate to rounded, margin double incised-serrate, apex acute to short acuminate; lateral veins ca. 3-paired. Spikes terminal and axillary, solitary or in 3's, 2-11 cm, interrupted basally, of 3-14 verticillasters; peduncle 0.5-2 cm, densely minutely hispid; bracteoles sessile, oblong-lanceolate to broadly lanceolate, slightly shorter than calyx, midrib sparsely hispid, margin minutely hispid. Calyx tubular, ca. 4 mm, sparsely and minutely hispid on veins, sparsely pubescent inside; teeth subequal, triangular-lanceolate, ca. 1/3 as long as calyx tube, margin rigidly ciliate. Corolla white, as long as to slightly longer than calyx. Posterior filaments longer, bearded at middle, anterior 2 glabrous. Nutlets unknown. Fl. Oct.

* Forests, forest margins; 700-800 m. Yunnan.


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