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

24. Phlomis megalantha Diels, Bot. Jahrb. Syst. 36 (Beibl. 82): 95. 1905.

大花糙苏 da hua cao su

Taproots woody, with numerous, rigid, woody lateral roots. Stems 15-45 cm tall, sparsely retrorse minute hispid. Petiole 1.5-10 cm; stem leaf blades circular-ovate to ovate-oblong, 5-17.5 × 4.2-11 cm, adaxially corrugate, appressed ciliolate, abaxially pilose on veins, base cordate to subtruncate, margin deeply crenate, apex acute or obtuse, rarely acuminate. Verticillasters 1 or 2, few to many flowered, sometimes ± approximate; floral leaves longer than verticillasters; bracts linear-subulate, (6-)10-15(-20) × 2(-4) mm, densely ciliate. Calyx tubular-campanulate, 1.8-2.8 cm × ca. 8 mm, veins pilose outside; teeth double toothed at margin, puberulent, apex emarginate, tufted-pilose inside, spines ca. 2 mm. Corolla yellowish to white, 3.7-5 cm; tube apex pubescent, basally glabrous outside, without hairy annulus inside; upper lip 1.2-1.4 cm, base truncate, margin denticulate, densely pubescent outside, bearded inside; lower lip ca. 1.7 × 1.3 cm, pubescent outside; middle lobe circular-ovate, ca. 9 × 7 mm, margin irregularly undulate; lateral lobes triangular. Filaments long hairy, without basal appendages. Nutlets glabrous. Fl. Jun-Jul, fr. Aug-Nov.

* Abies forests, thickets, grassy slopes; 2400-4200 m. Hubei, Shaanxi, Shanxi, Sichuan.


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