Phagnalon niveum Edgew.

C. B. Clarke (1876) cited P. niveum Edgew. as a direct nomenclatural synonym of his new species P. denticulatum Decene ex C. B. Clarke, thus automatically making his new species illegitimate.

Small woody herbs with erect or decumbent stem, (5-) 10-30 (-40) cm high, few to profusely branched, branches and stem covered with dense snow white cottony wool. Branches densely foliate. Leaves variable in shape and size, 8-35 (-40) x (2-) 4-8 mm, lanceolate, oblanceolate, linear oblong or spathulate, sometimes much narrowed into a sessile base, apex obtuse or subobtuse, with entire, undulate, dentate or shallowly lobed margins, densely white cottony below, less or ± glabrous above. Peduncles erect, 20-70 (-80) mm long, covered with white cottony wool, bearing a single capitulum. Capitula 8-12 (-14) mm in diameter, multiflorous; phyllaries pluriseriate, densely floccose lanate, outer phyllaries subulate to narrowly lanceolate, 2-2.5 x 0.5 mm; middle ones 3-3.5 x 0.5 mm, ± subulate to narrowly lanceolate, gradually narrowed into a acicular point with entire margins, apex ± opaque, inner phyllaries 6-7 x 0.5 mm, subulate, long acuminate. Bisexual florets tubulose, 5-6 mm long, tube ± glabrous, lobes small ± rounded, ± hairy at the tips. Anthers included to subexserted, totally ecaudate at the base. Style included to subincluded, bifid, stigmas rounded, papillose. Cypselas compressed, sparsely hairy, c. 1 mm long; pappus setae 5, 4-5 mm long, barbellate almost up to the base.

Afghanistan, Chitral, N.W.F.P., Himalaya (Kashmir to Nepal).

Distribution: Nepal, India, Kashmir, Pakistan and Afghanistan.

1700-3000 m

Fl.Per.: May-August.

A fairly common species, usually grows between 600-2000 m in the rock crevices or in cliffs overhanging the rocks.

Phagnalon niveum là một loài thực vật có hoa trong họ Cúc. Loài này được Edgew. miêu tả khoa học đầu tiên năm 1846.

棉毛菊（学名：Phagnalon niveum）为菊科棉毛草属下的一个种。