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Chinese Plant Names | Family List | Labiatae | Achyrospermum

Achyrospermum densiflorum Bl.


Description from Flora of China

Achyrospermum philippinense Bentham; A. phlomoides Blume.

Stems prostrate, rooting adventitiously, ascending portion unbranched, ca. 16 cm, densely pubescent. Petiole 0.5-3(-6) cm; leaf blade ovate, 6.5-9.5 × 3-4 cm, papery, purplish, adaxially sparsely strigose, abaxially densely pubescent on veins, base broadly cuneate, margin crenulate or serrate-crenate, apex acute. Spikes terminal, cylindric, 3.8-5 cm; verticillasters 6-flowered; bracts ovate to spathulate, 6-8 mm, yellowish to pink. Pedicel ca. 1 mm. Calyx 6-7 mm, 15-veined, 2-lipped, becoming enlarged to 8-10 mm, conspicuously netted, pubescent or subglabrescent with yellowish glands; teeth subequal or middle tooth larger. Corolla ca. 7.5 mm, slightly exserted, puberulent; tube slender, ± cylindric except slightly dilated at throat; upper lip 2-lobed, lobes semicircular; lobes of lower lip subcircular, middle lobe entire, lateral lobes ciliate. Anther cells 2. Style apex subequally 2-cleft. Nutlets oblong-obovoid, apex and adaxially densely linear-scaly, abaxially smooth. Fl. Nov, fr. Dec.

The calyx in specimens from Hainan is 15-veined, not 10-veined as described by Blume in the original description. This may be due to local variation within the species.

Forests, shady areas in valleys. Hainan [Indonesia, Philippines].


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