Main stems decumbent, with ∞ slender spreading branches up to 3 dm. long. Lvs sessile, c. 4-7 cm. × 3-10 mm., upper smaller; narrow-lanceolate to narrow-oblanceolate, acute; glab. above, clad in dense white appressed tomentum below; margins slightly revolute, midrib evident, lateral nerves invisible or obscure. Infl. corymbose, with slender tomentose branchlets and hardly foliaceous bracts. Capitula up to 1 cm. diam., receptacle c. 3 mm. diam., alveolate, slightly convex. Phyll. oblong, white, clawed, c. 5 mm. long. Achenes c. 0∙75 mm. long, glab. Pappus-hairs c. 15, < 5 mm. long, slender.

Main stems stout, woody, up to c. 1 cm. diam., with ∞ erect or ascending branches. Lvs sessile, 5-10 × 1-2 cm., oblanceolate, apiculate, membr., glab. above, with white appressed tomentum below; midrib and pair of lateral veins us. distinct above and below; upper lvs smaller, narrower. Infl. large, of ∞ capitula corymbosely arranged on tomentose branchlets bearing foliaceous bracts. Capitula up to 1·5 cm. diam.; phyll.∞, white, oblong, c. 6 mm. long, clawed at base. Receptacle c. 2 mm. diam., closely alveolate, slightly convex. Achenes narrow-oblong, < 1 mm. long, glab. or with few appressed hairs, slightly compressed. Pappus-hairs c. 15, very slender.

2n = 28

n = 14

2n = 28

Plants prostrate or hanging, up to 149 cm long. Stems 3.0-7.0 mm diameter, branching sparse. Branches 4-88 cm long, 3.2 mm diameter, distally green, roots from the branches present or absent. Internodes 15 mm long. Leaves at 45° to the stem, 19-76 mm long, 5.4-20 mm wide, narrowly obovate, apiculus green, 1 mm long; upper surface glabrous, veins entering leaf 5, margins plane. Flowering stems 100-140 mm long; 0.4 mm diameter, green, densely hairy, transition to scape leaves gradual; scape leaves narrowly elliptic, 16 mm long, 2.6 mm wide. Inflorescence compound, capitula per inflorescence (3-) 15(—30). Capitula 9- 13 mm diameter in dried specimens. Receptacle 1.8- 3.4 mm diameter; almost flat; 0.2-1.1 mm high. Outer involucral bracts 4.2-6.1 mm long, 0.6- 1.7 mm wide; gap clear. Inner involucral bracts 3.6- 6.8 mm long, 0.4-1.1 mm wide. Hermaphrodite florets 3.5 mm long; corolla 2.3-3.3 mm long, 1 mm wide; lobes 0.6 mm long; anthers 1.1 mm long, 0.18 mm wide, apices 0.24 mm long, anther tails 0.32 mm long; style 2.3 mm long; style arms 0.45 mm long; pappus hairs 15-22 per floret, 1.9- 3.3 mm long, apical cells rounded or clavate. Female florets 2.8 mm long; corolla 2.2-3.3 mm long; lobes 1.2 mm long; style 2.7 mm long; style arms 0.58 mm long; pappus hairs 13-19 per floret, 1.95-3.2 mm long, apical cells rounded. Achene 0.60-0.80 mm long; 0.28-0.34 mm diameter; hairs sparse or absent. Florets 113-281, female florets 65-90% of total.