Arnaldoa

Arnaldoa
	Arnaldoa macbrideana
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Subfamily:	Barnadesioideae
Tribe:	Barnadesieae
Genus:	Arnaldoa; Cabrera
Type species
	Arnaldoa magnifica (syn of A. weberbaueri); Cabrera

Arnaldoa is a genus of flowering plants in the aster family, Asteraceae. It is native to Ecuador and Peru.^[1]^[2]

These plants are shrubs with spines located at the attachment point of each leaf to the stem. The flower heads contain disc florets in shades of orange, orange-red, purple, or cream. The plants grow on dry, wooded or shrubby slopes at elevations between 1370 and 3000 metres.^[1]

Species^[3]

Arnaldoa argentea C.Ulloa, P.Jørg. & M.O.Dillon – up to 3.5 meters tall with light orange or cream-colored florets (Ecuador)
Arnaldoa coccinosantha (Muschl.) Ferreyra - Peru
Arnaldoa macbrideana Ferreyra – purple florets (Peru)
Arnaldoa weberbaueri (Muschl.) Ferreyra – bright orange-red or occasionally purple florets up to 5 centimeters long (Peru)

References

^ ^a ^b Ulloa, C. U., et al. (2002). Arnaldoa argentea (Barnadesioideae: Asteraceae), a new species and a new generic record for Ecuador. Novon 12 415-419.
^ Tropicos, Arnaldoa Cabrera
^ Flann, C (ed) 2009+ Global Compositae Checklist ^{[permanent dead link]}

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[ulloa-1] Ulloa, C. U., et al. (2002). Arnaldoa argentea (Barnadesioideae: Asteraceae), a new species and a new generic record for Ecuador. Novon 12 415-419.

[2] Tropicos, Arnaldoa Cabrera

[3] Flann, C (ed) 2009+ Global Compositae Checklist ^{[permanent dead link]}

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