Class
Order
Family
Genus
Classification
Nomenclature
Scientific Name:
Pentanema conyzae (Griess.) D.Gut.Larr., Santos-Vicente, Anderb., E.Rico & M.M.Mart.Ort., Taxon 67: 159 (2018)
Synonymy:
- ≡ Aster conyzae Griess.
- ≡ Inula conyzae (Griess.) Meikle nom. illeg.
Description
Erect, shortly rhizomatous perennial up to c. 1 m tall. Stems densely hairy, branched above to form infl. Lower cauline lvs sparsely to moderately hairy on upper surface, tomentose on lower, elliptic, long-cuneate, acute, finely denticulate, up to c. 15 × 4 cm; upper lvs similar but smaller and short-cuneate or obtuse at base. Capitula 8–12 mm diam., many in corymbs. Outer involucral bracts sparsely hairy and ciliate, herbaceous at apex, subulate, 2–5 mm long; inner bracts sparsely hairy and ciliate, membranous, linear-lanceolate, 8–12 mm long. Ray florets numerous; ligules inconspicuous, yellow, c. 1 mm long. Disc yellow. Mature achenes not seen, sparsely hairy.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4. as Inula conyzae (Griess.) Meikle]
Biostatus
Exotic
Phenology
Flowering: Jan.–Feb.
Bibliography
Gutiérrez-Larruscain, D.; Santos-Vicente, M.; Anderberg, A.A.; , E.; Martínez-Ortega, M.M. 2018: Phylogeny of the Inula group (Asteraceae: Inuleae): Evidence from nuclear and plastid genomes and a recircumscription of Pentanema. Taxon 67(1): 149–164.
