Dysphania pusilla (Hook.f.) Mosyakin & Clemants
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Dysphania pusilla (Hook.f.) Mosyakin & Clemants, J. Bot. Res. Inst. Texas 2: 427 (2008)
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Biostatus
Nomenclature
(Hook.f.) Mosyakin & Clemants
Hook.f.
Mosyakin & Clemants
2008
427
ICN
species
Dysphania pusilla
Classification
Descriptions
Decumbent branching glandular-pubescent herb up to 15 cm. diam., with stout deeply descending main root; branches slender, lfy, radiating. Lvs on slender petioles up to 5 mm. long; lamina pubescent on both surfaces, thin, 3-5-(10) × 2-5-(10) mm.; broad- to ovate-oblong, entire, occ. slightly sinuate. Most lvs do not exceed 5 × 5 mm., but occ. specimens have some lvs of greater dimensions. Fls minute, in axillary clusters; per. segs 4, narrow-oblong, pubescent. Stamen us. 1; utricle ovate in outline, erect, compressed; pericarp free.
Annual, puberulent and glandular-scaly herb. Stems branching, decumbent, 3-10-(20) cm long, often forming a small flat cushion. Petioles usually 1-3-(5) mm long, slender. Lamina 2-4-(10) × 2-4-(10) mm, suborbicular, broadly ovate or ovate-oblong, glandular-puberulent on both sides, usually entire or slightly sinuate, occasionally shallowly lobed; base broad-cuneate to rounded; apex obtuse. Fls minute, in axillary, sessile glomerules. Perianth segments (3)-4-(5), narrow-oblong, membranous at least on margins, glandular- puberulent and farinose, scarcely accrescent, not completely investing fr. Stamen usually 1. Seed vertical, 0.5-0.8 mm long, laterally compressed, broadly ellipsoid or subglobose, flattened; pericarp easily detached; testa glossy, minutely punctate or almost smooth.
Taxonomic concepts
Chenopodium pumilio sensu Hook.f.
Chenopodium pusillum Hook.f.
Chenopodium pusillum Hook.f.
Chenopodium pusillum Hook.f.
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Chenopodium pusillum Hook.f.
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Chenopodium pusillum Hook.f.
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
Dysphania pusilla (Hook.f.) Mosyakin & Clemants
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Metadata
11bfff52-1544-40f6-bf94-abe64fce6ed7
scientific name
Names_Plants
16 June 2011
18 July 2011