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42. Phlomis umbrosa Turczaninow, Bull. Soc. Imp. Naturalistes Moscou. 13: 76. 1840.
糙苏 cao su
Roots to 30 × 1 cm, lateral ones succulent. Stems 0.5-1.5 m, sparsely retrorse hispidulous, sometimes stellate pubescent toward apex, purplish red, much branched. Petiole 1-12 cm, densely minutely hispid; leaf blade circular-ovate to ovate-oblong, 5.2-12 × 2.5-12 cm, pilose and/or stellate, base cordate to rounded, margin serrate-dentate to irregularly crenate, apex acute to acuminate. Verticillasters numerous, 4-8-flowered, pedunculate; floral leaves with petiole 2-3 mm, blade 1-3.5 × 0.6-2 cm, margin coarsely serrate-dentate; bracts purple-red. Calyx tubular, ca. 8-10 × 3-3.5 mm, densely stellate hairy outside, veins sometimes sparsely pilose; lobes double toothed, spines ca. 1.5 mm; teeth small, tufted hairy inside. Corolla reddish to purple-red, rarely white with red spots on lower lip, ca. 1.7 cm; tube ca. 1 cm, glabrous except for pubescent back outside, pilose annulate on basal 1/3 inside; upper lip ca. 7 mm, margin irregularly denticulate, silky-villous outside, bearded inside; lower lip ca. 5 × 6 mm, densely silky-villous except for glabrous margin outside, glabrous inside; lobes ovate to subcircular, middle 1 largest. Stamens included; filaments glabrous, without basal appendages. Nutlets glabrous. Fl. Jun-Sep, fr. Sep.
* Forests, grassy slopes, streamsides, thickets, wet areas; 700-3200 m. Anhui, Gansu, Guangdong, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi, Sichuan, Yunnan
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| 1 |
Bracts linear-oblong to obovate-oblong, much shorter than calyx, 5-7 × 1.8-2.5 mm |
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42d var. latibracteata |
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Bracts linear-subulate to linear-lanceolate, longer or rarely slightly shorter than calyx, 8-14 × 1-2 mm. |
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(2) |
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| 2 (1) |
Verticillasters conspicuously pedunculate, lax; flowers pedicellate; calyx ca. 8 × 3 mm |
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42c var. stenocalyx |
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Verticillasters inconspicuously pedunculate, compact; flowers sessile or subsessile; calyx ca. 10 × 3.5 mm. |
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(3) |
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| 3 (2) |
Leaves ovate, subcuneate to shallowly cordate, stellate pubescent, rarely abaxially stellate tomentulose; calyx densely stellate pubescent outside |
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42e var. ovalifolia |
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Leaves circular-ovate to ovate-oblong, sparsely pilose or sometimes abaxially densely pilose and stellate pilose; calyx stellate puberulent except sometimes pilose on veins. |
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(4) |
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| 4 (3) |
Leaves membranous, crenate-serrate, terminal tooth sometimes very long; bracts soft, linear-lanceolate, slightly shorter than calyx |
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42b var. australis |
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Leaves papery, serrate-dentate or irregularly crenate, terminal tooth not very long; bracts rigid, linear-subulate, mostly longer than calyx |
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42a var. umbrosa |
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Lower Taxa
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