| Euphorbiaceae |
|---|
Euphorbia grisophylla M. S. KHAN |
Euphorbia grisophylla M. S. KHAN |
Euphorbia L. |
| E. grisophylla M.S. Khan in Notes R.B.G. Edinb. 25:94, t. 5 (1964). Map 67. Sparingly or evenly pubescent-pilose to subglabrous perennial. Stems several, to 70 cm, often simple, arising from a woody stock, prominently scaly at base. Cauline leaves grey-green, subsessile, oblong, lanceolate or some-times broadly ovate, 2.5-7 x 1-3 cm, acute or obtuse, entire, often with distinct lateral nerves. Ray-leaves ovate-lanceolate, broadly ovate or ovate-rhombic. Raylet-leaves ovate-deltoid to suborbicular, 0.8-2.7 x 0.8-3 cm, truncate to shallowly cordate, yellowish at first. Rays (4-)5, once, rarely twice, dichotomous; axillary rays usually absent, rarely to 3. Fruit trilobate, 5-7 mm diam., covered with conic-cylindrical warts, glabrous. Seeds broadly ovoid, 4 mm, smooth, grey. Fl, 6-7. Dry rocky igneous and limestone slopes, screes, 1700-3080 m. Type: [Turkey] C10, prov. Hakkari, Cilo dağ, in gorge between Cilo yayla & Diz deresi, rocky slope, '2400' [2440] m, 10 viii 1954, P.H. Davis & O. Polunin, D. 24250 (holo. E! iso. BM! K!). E. Anatolia. A9 Erzurum: Göle to Oltu, 10 km E. of Kosor, Sauer 319! B8 Bitlis: Kambos Da. above Hurmuz, 2150 m, D. 23456! B9 Bitlis: 3 km S. of Tatvan, 1700-1720 m, Hub.-Mor. 11490. Van: Artos Da., 3080 m, D. 22745! C9 Hakkari: Elkiyayla Da., Marunis to Beytüşşebap, 2300-2400 m, D. 45335! C10 Hakkari: Sat Da., Varegöz to Sat G., 2400-2600 m, D. 45632! Endemic. Ir-Tur. element. Most closely allied to E. djimilensis; more distantly related to E. macrocarpa. |