Class
Order
Family
Genus
Classification
Nomenclature
Scientific Name:
Gamochaeta subfalcata (Cabrera) Cabrera, Bol. Soc. Argent. Bot. 9: 383 (1961)
Synonymy:
- ≡ Gnaphalium subfalcatum Cabrera, Revista Mus. La Plata, Secc. Bot. 4: 174 (1941)
Description
Annual, 7–40 cm tall, usually branched only at base; stem 1–5-(many), usually erect, sometimes ascending. Basal lvs mostly 0 at flowering, sometimes present and withered. Lower cauline lvs apetiolate, sparsely to densely silky hairy on both surfaces, ± concolorous, usually plane, oblanceolate to narrowly obovate-oblong, obtuse, mucronate, usually flat, sometimes undulate, (8)–30- 50–(80) × 4–8–(15) mm; upper cauline lvs smaller, narrow, folded upwards, often undulate, usually falcate. Capitula in terminal and axillary clusters; clusters usually forming dense terminal spikes and often scattered below. Involucral bracts oblong, usually apiculate, sometimes obtuse, 3–4 mm long; stereome green, sometimes tinged reddish purple; lamina pale to dark brown, often with a darker band toward base and flushed reddish purple; gap and margins clear or marked reddish purple; outer bracts glabrous, or sparsely hairy at base. Achenes minutely papillate, c. 0.5 mm long.
[From: Webb et al. (1985) Flora of New Zealand. Volume 4 as Gnaphalium subfalcatum Cabrera]
Biostatus
Exotic
Bibliography
Anderberg, A. A. 1991: Taxonomy and phylogeny of the tribe Gnaphalieae (Asteraceae). Opera Botanica 104: 1–195.
Cabrera, A. L. 1941: Compuestas Bonaerenses. Revista del Museo de La Plata. Seccion Botanica 4: 1–450.
Cabrera, A. L. 1961: Observaciones sobre las Inuleae-Gnaphalineae (Compositae) de America del Sur. Boletín de la Sociedad Argentina de Botánica 9: 359–386.
Drury, D. G. 1971: The American Spicate Cudweeds Adventive to New Zealand: (Gnaphalium Section Gamochaeta - Compositae). New Zealand Journal of Botany 9(1): 157–185. [as Gnaphalium subfalcatum Cabrera]
