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Echinocereus yavapaiensis

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Echinocereus yavapaiensis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Echinocereus
Species:
E. yavapaiensis
Binomial name
Echinocereus yavapaiensis
M.A.Baker 2006

Echinocereus yavapaiensis is a species of cactus native to Arizona.[1]

Description

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The plant forms small clumps consisting of many stems. The dark green plant body is ovate to cylindrical and reaches heights of up to 30–48 cm (12–19 in) with a diameter of 5–8 cm (2.0–3.1 in). The 10 to 14 ribs often form warts. The spines are yellow brown becoming grey. The areoles have 1-3 central spines are up to 6 cm (2.4 in) long and 9 radial spines that are 2 cm (0.79 in) long. The broad, funnel-shaped, dimorphic, red flowers appear below the shoot tip. They are 5.4 cm (2.1 in) long and have a diameter of 3.8 cm (1.5 in). Chromosome count is 6n=66.[2]

Distribution

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Plants are found growing in bedrock outcrops with desert scrub in Yavapai County, Arizona at elevations between 1035 to 1860 meters.[2]

References

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  1. ^ "Echinocereus yavapaiensis M.A.Baker". Plants of the World Online. Retrieved 2024-07-04.
  2. ^ a b Baker, M. (2006). "A new florally dimorphic hexaploid, Echinocereus yavapaiensis sp. nov. (section Triglochidiatus, Cactaceae) from central Arizona". Plant Systematics and Evolution. 258 (1–2): 63–83. doi:10.1007/s00606-005-0390-9. ISSN 0378-2697.
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