Gnaphalium americanum Mill.
Details
Gnaphalium americanum Mill., Gard. Dict., ed. 8. (unpaged) (1768)
Nomenclature
Mill.
Mill.
1768
(unpaged)
ICN
Gnaphalium americanum Mill.
species
Gnaphalium americanum
Classification
Descriptions
Gnaphalium americanum Mill.
Annual or biennial, 10-30 cm tall, usually branched only at base; stems 1-several, erect or ascending. Basal lvs usually present at flowering, sometimes dead but persistent, apetiolate, elliptic-oblong to spathulate, 25-70 mm long. Lower cauline lvs apetiolate, densely white-tomentose on lower surface, usually glabrous but sometimes with a few hairs on upper, discolorous, plane, narrow-spathulate to almost linear, obtuse to acute, shortly mucronate, usually flat, sometimes undulate, 20-35 × 2-8 mm; uppermost cauline lvs smaller, often folded, undulate and linear. Capitula in dense terminal and axillary clusters; clusters forming a dense terminal spike and sometimes scattered below. Involucral bracts oblong, apiculate, 3.5-4.2 mm long; stereome green or reddish purple; lamina pale brown, usually with darker markings toward base; gap and margins clear; outer bracts glabrous. Achenes minutely papillate, c. 0.6 mm long.
Taxonomic concepts
Gnaphalium americanum Mill.
Gnaphalium americanum Mill.
Gnaphalium americanum Mill.
Gnaphalium americanum Mill.
Gnaphalium americanum Mill.
Gnaphalium americanum Mill.
Metadata
5bd115d3-a167-4e2e-bfaa-2b7ee548de16
scientific name
Names_Plants
1 January 2000
1 October 2022