Heterocodon

Heterocodon
Secure
Secure (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Campanulaceae
Subfamily: Campanuloideae
Genus: Heterocodon
Nutt.
Species:
H. rariflorum
Binomial name
Heterocodon rariflorum
Nutt.
Synonyms

Specularia rariflora

Heterocodon is a monotypic genus of plants in the bellflower family containing the single species Heterocodon rariflorum, which is known by the common names rareflower heterocodon and western pearlflower.[2][3] It is native to western North America from British Columbia to California to Colorado, where it emerges during the spring in wet areas such as meadows. This is an annual herb producing a very thin, erect stem to 30 centimeters in maximum height. It branches few times if at all and is dark green to reddish in color. Leaves are occasional along the stem and are heart-shaped to rounded with a toothed edge. Also at occasions along the stem are the flowers, which emerge from a base of toothed or spiny leaflike sepals a few millimeters long. The corolla of the flower is a cylindrical tube 3 to 5 millimeters long, blue or lavender with darker veining and a lighter throat, and spreading into triangular lobes at the mouth.

References

  1. ^ NatureServe (2024). "Heterocodon rariflorum". Arlington, Virginia. Retrieved 11 January 2024.
  2. ^ Zhou, Zhuo; Wen, Jun; Li, Guodong; Sun, Hang (2012). "Phylogenetic assessment and biogeographic analyses of tribe Peracarpeae (Campanulaceae)". Plant Systematics and Evolution. 298 (2): 323–336. Bibcode:2012PSyEv.298..323Z. doi:10.1007/s00606-011-0547-7. ISSN 0378-2697. JSTOR 43498296.
  3. ^ Roquet, Cristina; Sáez, Llorenç; Aldasoro, Juan José; Susanna, Alfonso; Alarcón, María Luisa; Garcia-Jacas, Núria (2008). "Natural Delineation, Molecular Phylogeny and Floral Evolution in Campanula". Systematic Botany. 33 (1): 203–217. doi:10.1600/036364408783887465. ISSN 0363-6445. JSTOR 25064331.


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