Lactuca cyprica

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Lactuca cyprica

http://media.bgbm.org/erez/erez?src=EditWP6/photos/Lactuca_cyprica_A_01.JPG

Description

Herb, biennial, rhizomatous, 10-40-(50) cm high. Flowering stems erect, in lower part glabrous, in upper part glandular, unbranched except in the region of the synflorescence. Lower cauline leaves variable, 2.0-12.0 cm long, 1.3-8.0 cm wide, often lyrate-pinnatisect, dentate at the lobes, petiole-like attenuate, glabrous, pale green and white-spotted on upper surface, purple on lower surface; terminal lobe ovate; lateral lobes 2-10, narrowly oblong. Middle and upper cauline leaves variable, amplexicaul and auriculate with acute or rounded, entire or dentate auricles, apically increasingly smaller. Synflorescence corymbiform to paniculiform, sometimes with 5 to 10 heads, sometimes with more than 50 heads. Peduncle up to 3.0 cm long. Involucre at flowering cylindrical, 8.0-12.0 mm long, at flowering 2.5-3.5 mm in diameter; outer involucral bracts narrowly ovate, 3.0-5.0 mm long, c. 1.0 mm wide, acuminate, purplish or greenish, glabrous or thinly glandular, margin scarious; inner involucral bracts linear, 8.0-12.0 mm long, 1.5-2.0 mm wide, subacute, glabrous or thinly glandular. Corolla ligulate, pale yellow, often turning blue, when dried, thinly woolly and papillose at apex; tube 3.0-6.0 mm long; ligule 7.0-10.0 mm long, 2.5-3.5 mm wide. Anthertube yellowish, 3.0-4.0 mm long; apical appendages apiculate with erose margin. Style 8.0-10.0 mm long; branches 1.5-2.0 mm long. Achenes narrowly fusiform, 5-angled in outline, c. 4.0 mm long, 0.8-1.0 mm wide, minutely scabridulous, light brown with dark brown longitudinal stripes, with longitudinal ribs, acuminate or acute and with a filiform beak; beak c. 3.0 mm long. Pappus white, c. 5.0 mm long, caducous, fragile, remotely scabridulous.

Based on: Meikle, R.D. 1985: Flora auf Cyprus 2 - Kew (as Cephalorrhynchus cypricus).

Distribution

Asia-Temperate: Cyprus (CyprusnativeA,B)

Credits

Christodoulou C. S. 2009: Images (5 added).

Bibliography

A. Meikle, R. D., Flora of Cyprus 2. 1985 (as Cephalorrhynchus cypricus)
B. Osorio-Tafall, B. H. & Serafim, G. M., List of the vascular plants of Cyprus. 1973 (as Cephalorrhynchus cypricus)