Leucas chinensis

Leucas chinensis (Retz.) R.Br. ex Sm., Cycl. 20: 8 1812. (Syn: Blandinia chinensis (Retz.) Raf.; Leucas chinensis (Retz.) R. Br.; Phlomis chinensis Retz.); 

Images by Muthu Karthick (inserted by Bhagyashri Ranade)

 

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Scandent perennial herbs, up to 50 cm high, branched from base; branches 4-gonous, densely white silky tomentose or hoary with spreading hairs. Leaves opposite, 1.5-6 x 1-5 cm, broadly ovate to suborbicular, acute or obtuse at apex, truncate, subcordate to rounded or cuneate at base, crenate or dentate, tomentose both sides, thick or coriaceous; lateral veins impressed adaxially; petioles 0.5-3.5 cm long, tomentose. Flower- whorls 1-2 cm in diameter, axillary, lax, 3 to 8-flowered, never head-like; bracts 3-5 mm long, not more than half the length of calyx, linear, setaceous, hairy. Calyx-tube 1-1.5 cm long, funnel-shaped, straight, tomentose outside and within, 10-ribbed; mouth truncate, abruptly dilated, 6-8 mm wide, densely hairy within; teeth 10, 2-3 mm long, broadly triangular, spinulose or aristate at apex, spreading. Corolla white, tube glabrous outside, completely included within the calyx, slightly enlarged at the throat; upper-lip bearded with white wool, smaller than lower one. Filaments slightly bearded. Nutlets up to 1.5 mm long, oblong, truncate at top, smooth or minutely tuberculate, grey-brown.

(From  India Biodiversity Portal

 

Leucas chinensis : Attachments (4). 3 posts by 3 authors.

Name: Leucas chinensis (Retz.) R.Br.

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References:

The Plant List  Flora of China  India Biodiversity Portal  Insect diversity and pollination biology of Leucas chinensis …