Arnaldoa

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Barnadesioideae
Genus: Arnaldoa
Species: A. argentea – A. coccinosantha – A. macbrideana – A. weberbaueri
Name

Arnaldoa Cabrera, Bol. Soc. Argent. Bot. 10: 39. (1962)

Type species: Arnaldoa weberbaueri (Muschl.) Ferreyra, Publ. Mus. Hist. Nat. "Javier Prado", Ser. B, Bot. No. 18, 35 (1964); et in Publ. Mus. Hist. Nat. 'Javier Prado', Lima, Ser. B. Bot., No. 19, 2 (1965) originally designated as synonym Arnaldoa magnifica Cabrera, Bol. Soc. Argent. Bot. 10: 39. (1962)

References

Cabrera, A.L. 1962. Boletin de la Sociedad Argentina de Botanica. La Plata, Argentina 10: 39.
Hassler, M. 2018. Arnaldoa. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2018 Mar. 5. Reference page.
International Plant Names Index. 2018. Arnaldoa. Published online. Accessed: Mar. 5 2018.
Stuessy, T.F. & Abundio, S.A. 1993. Revisión de Arnaldoa (Compositae, Barnadesioideae), género endémico del norte del Perú. Arnaldoa 1(4): 9–21.
Tropicos.org 2018. Arnaldoa. Missouri Botanical Garden. Published on the internet. Accessed: 2018 Mar. 5.

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

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