Sonchus kirkii Hamlin
Show more
Details
Sonchus kirkii Hamlin, New Zealand J. Bot. 14: 279 (1976)
Sonchus kirkii Hamlin
Nomenclature
Hamlin
Hamlin
1976
279
replacement name
ICN
Sonchus kirkii Hamlin
species
Sonchus kirkii
Classification
Vernacular names
Synonyms
Descriptions
Sonchus kirkii Hamlin
2n = 36
Sonchus kirkii Hamlin
Biennial to perennial. Roots tap and fibrous; taproot swollen above. Stem erect, simple or branching above, finely grooved or ribbed, glabrous, (5)-15-60-(100) cm tall. Lvs thick, glaucous, dull, glabrous, lanceolate to narrowly oblong to linear-oblanceolate, (3)-8-20-(55) × (1)-3-6-(15) cm; margins dentate. Rosette and lower stem lvs tapering to base, pinnatifid to < 1/2 way to midrib; lobes broadly triangular, spreading or slightly deflexed. Upper lvs not lobed, narrowly triangular to linear or narrowly oblanceolate, with ± rounded amplexicaul auricles at base. Infl. cymose to umbellate; capitula few to many. Involucre 10-15 mm long, turbinate to cylindric; bracts imbricate, recurved at fruiting, glabrous or sometimes the outer with a row of median broad-based trichomes, occasionally densely white-tomentose at base. Receptacle glabrous. Florets 11/2× length of involucre; corolla tube slightly > ligule; ligules spreading, yellow. Achenes elliptic, brown, strongly flattened, (3)-3.5-4 × 1.3-1.8 mm, 3-ribbed on each face, winged; spaces between ribs smooth; wings and ribs smooth. Pappus fine, white, c. = involucre.
Taxonomic concepts
Sonchus asper var. littoralis (Kirk) Kirk
Sonchus kirkii Hamlin
Sonchus asper var. littoralis (Kirk) Kirk
Sonchus kirkii Hamlin
Sonchus kirkii Hamlin
Sonchus kirkii Hamlin
Sonchus kirkii Hamlin
Sonchus kirkii Hamlin
Sonchus kirkii Hamlin
Sonchus kirkii Hamlin
Sonchus littoralis (Kirk) Allan
Sonchus kirkii Hamlin
Sonchus littoralis (Kirk) Cockayne
Sonchus kirkii Hamlin
Sonchus littoralis (Kirk) Cockayne
Sonchus kirkii Hamlin
Sonchus littoralis (Kirk) Allan
Sonchus kirkii Hamlin
Sonchus oleraceus var. littoralis Kirk
Sonchus kirkii Hamlin
Sonchus oleraceus var. littoralis Kirk
Sonchus kirkii Hamlin
Collections
Metadata
84b203f3-54a9-4da0-8e48-9af4ba0e5e7f
scientific name
Names_Plants
1 January 2000
14 June 2006