All Floras      Advanced Search
FOC Vol. 17 Page 130 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 17 | Lamiaceae | Dracocephalum

22. Dracocephalum velutinum C. Y. Wu & W. T. Wang, Fl. Yunnan. 1: 588. 1977.

绒叶毛建草 rong ye mao jian cao

Rhizomes short, 7-8 mm in diam. Stems ascending to suberect, 10-15 cm, densely retrorse pubescent, with 2 or 3 nodes below inflorescences. Petiole of basal leaves 2-6.7 cm, that of cauline leaves to 2.1 cm; leaf blade ovate to circular-ovate, 1.5-5(-6.5) × 1.8-4 cm, adaxially subglabrous, abaxially densely white tomentulose or silky-pubescent along veins, base cordate to deeply so, margin crenate, apex rounded. Verticillasters in ca. 3 cm capitula; bracts purple-green, rhombic-obovate, to oblate, to 2 cm, densely villous along veins, margin ciliate, acute or short spinescent to 3-5-serrate. Calyx 1.8-2 cm, silky-villous along veins, sparsely villous inside, margin lanate-ciliate, 2-lipped to 1/2 its length; upper lip middle tooth elliptic-obovate or subtrapeziform, 3-4 × as wide as lateral teeth, margin entire or irregularly denticulate-spinescent, apex truncate-rounded to rounded; lateral teeth lanceolate, apex spinescent-acuminate; lower lip teeth similar to lateral teeth of upper lip but narrower. Corolla dark blue, 2-2.4 cm, pubescent; upper lip ca. 5 mm, lower lip ca. 2 × as long as upper lip. Fl. Jul-Aug.

* Grassy sloping valleys, rocky areas; 3400-4000 m. Yunnan

Related to Dracocephalum bullatum but with smaller corollas and ± dense indumentum on abaxial leaf surfaces.


1 Apex of middle tooth of adaxial calyx lip truncate- rounded, margin irregularly denticulate   22a var. velutinum
+ Apex of middle tooth of adaxial calyx lip rounded, margin entire   22b var. intermedium

Lower Taxa


 

Flora of China @ efloras.org
Browse by
Volume
Family
Genera
Advanced Search


Flora of China Home


Checklist

 

 

 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |