Crocanthemum

Crocanthemum is a genus of flowering plants in the family Cistaceae.[1] They are native to both North and South America where they are widespread.[2]

Crocanthemum
Crocanthemum georgianum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Cistaceae
Genus: Crocanthemum
Spach
Species

Around 24, see text

Crocanthemum are herbaceous perennials or subshrubs with alternate leaves. With the exception of species in California, they generally produce two types of flowers: showy, yellow chasmogamous (cross-pollinated) produced earlier in the growing season, followed by cleistogamous (self-pollinated) flowers that are smaller and lack petals.[2][3] All species of Crocanthemum are fire tolerant and are found in open habitats.

Although the genus was first named in 1836 to encompass New World species of Helianthemum, it generally went unrecognized by taxonomists and its species were included in a broad concept of Helianthemum throughout much of the 1800s and 1900s. However, phylogenetic studies in 2004 and 2009 indicated that the New World species of Helianthemum were more closely related to Hudsonia than Old World Helianthemum.[2][4] This required the resurrection of the genus Crocanthemum in order to maintain monophyly.

Species
  • Crocanthemum aldersonii
  • Crocanthemum arenicola
  • Crocanthemum argenteum
  • Crocanthemum bicknellii
  • Crocanthemum brasiliense
  • Crocanthemum canadense
  • Crocanthemum carolinianum
  • Crocanthemum corymbosum
  • Crocanthemum dumosum
  • Crocanthemum georgianum
  • Crocanthemum glomeratum
  • Crocanthemum greenei
  • Crocanthemum nashii
  • Crocanthemum nutans
  • Crocanthemum pringlei
  • Crocanthemum propinquum
  • Crocanthemum rosmarinifolium
  • Crocanthemum scoparium
  • Crocanthemum suffrutescens
gollark: You can make an RFC and standardize it.
gollark: No.
gollark: Making assumptions is unlegal and will be punished with being assumed.
gollark: I still can't actually do whistling, but it also doesn't really come up so meh.
gollark: Observe, Bi.

References
  1. "Crocanthemum". Royal Botanical Gardens, Kew. Retrieved 2019-12-10.
  2. Crocanthemum Flora of North America
  3. Alan Weakley (2015). "Flora of the Southern and Mid-Atlantic States".
  4. Guzman, Beatriz; Vargas, Pablo (21 January 2009). "Historical biogeography and character evolution of Cistaceae (Malvales) based on analysis of plastid rbcL and trnL-trnF sequences" (PDF). Organisms, Diversity, and Evolution. 9: 83–99. doi:10.1016/j.ode.2009.01.001. Retrieved 2019-12-11.
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