Haemodoraceae

Haemodoraceae is a family of perennial herbaceous flowering plants with 14 genera and 102 known species.[4] It is sometimes known as the "bloodwort family". Primarily a Southern Hemisphere family, they are found in South Africa, Australia and New Guinea, and in the Americas (from SE U.S.A. to tropical South America). Perhaps the best known are the widely cultivated and unusual kangaroo paws from Australia, of the two closely related genera Anigozanthos and Macropidia.

Haemodoraceae
Kangaroo paw (Anigozanthos flavidus)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Commelinales
Family: Haemodoraceae
R.Br.[1][2]
Genera

The family has about 14 genera

Synonyms

Haemodoreae[3]

Anigozanthos Bush Pearl. Royal Botanic Gardens, Cranbourne.

Taxonomy

The Haemodoraceae were first described by Robert Brown in 1810[1], and bear his name as the botanical authority. An alternative name has been Haemodoreae[3]

The fourth Angiosperm Phylogeny Group classification of 2016 (unchanged from the earlier APG systems of 2009, 2003 and 1998), also recognizes this family and places it in the order Commelinales, in the clade commelinids, in the monocots.[5][2] The family of the Haemodoraceae then includes about sixteen sub-tropical or tropical genera found in the southern hemisphere, two in North America and three known cultivated genera in Europe.[6]

Haemodoraceae is characterized by distichous leathery leaves, which are alternate, succulent, rather large and often ensiform, with entire margins and parallel veins.[7] The leaves are enclosed by a sheath with free margins and alternate, distichous (= in two vertical ranks).

The plants are hermaphroditic. Pollinators are primarily insects, but also birds or sometimes a small mammal. The wooly-haired flowers grow at the end of a leaflet stalk, in cymes (with lateral branches), panicles or racemes.

Potentially confused plants

The term bloodwort can also apply to Sanguinaria canadensis (more often called bloodroot) or Achillea millefolium (more often called yarrow or common yarrow).

Genera
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References
  1. Brown 1810, p. 299.
  2. Angiosperm Phylogeny Group (2016). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV". Botanical Journal of the Linnean Society. 181 (1): 1–20. doi:10.1111/boj.12385. ISSN 0024-4074.CS1 maint: uses authors parameter (link)
  3. Agardh 1825.
  4. Christenhusz, M. J. M.; Byng, J. W. (2016). "The number of known plants species in the world and its annual increase". Phytotaxa. 261 (3): 201–217. doi:10.11646/phytotaxa.261.3.1.
  5. Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III". Botanical Journal of the Linnean Society. 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x. Archived from the original (PDF) on 2017-05-25. Retrieved 2013-06-26.
  6. Walters, Stuart Max (1986). The European Garden Flora: Pteridophyta, Gymnospermae, Angiospermae. Cambridge University Press. p. 290. ISBN 978-0-521-24859-4.
  7. Darlington, William (1853). Flora cestrica: an herborizing companion for the young botanists of Chester County...Pennsylvania. Philadelphia: Lindsay & Blakiston. p. 317. OCLC 4039950.

Bibliography
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