Difference between revisions of "Echinocereus papillosus"
Cact.-Verz., 19. 1859.
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|name=Echinocereus berlandieri var. papillosus | |name=Echinocereus berlandieri var. papillosus | ||
|authority=(Linke ex Haage) L. D. Benson | |authority=(Linke ex Haage) L. D. Benson | ||
| + | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Echinocereus papillosus var. angusticeps | |name=Echinocereus papillosus var. angusticeps | ||
|authority=W. T. Marshall | |authority=W. T. Marshall | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Echinocereus;Echinocereus papillosus | |hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Echinocereus;Echinocereus papillosus | ||
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name=Echinocereus papillosus | name=Echinocereus papillosus | ||
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|authority=Linke ex Haage | |authority=Linke ex Haage | ||
|rank=species | |rank=species | ||
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|publication year=1859 | |publication year=1859 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V4/V4_311.xml |
|subfamily=Cactaceae subfam. Cactoideae | |subfamily=Cactaceae subfam. Cactoideae | ||
|genus=Echinocereus | |genus=Echinocereus | ||
Revision as of 21:39, 16 December 2019
Plants irregularly forming clumps at or before flowering. Stems mostly nearly erect when young, frequently decumbent in old age, cylindric, 4–15 × 2–3(–7) cm; ribs (6–)7–10, crests strongly undulate; areoles 10–15 mm apart. Spines 8–12 per areole, straight, appressed-spreading (radial spines) or projecting to appressed (central spines), white, yellow, or brown and white; radial spines 7–10 per areole, to 15 mm; central spines 1(–4) per areole, brown, terete, to 25 mm. Flowers funnelform, 7–9 × 7–12 cm; flower tube 20–30 × 10–30 mm; flower tube hairs 1 mm; inner tepals yellow, proximally orange-red to purple, 15–40 × 10–20 mm, tips relatively thin and delicate; filaments yellowish to orange-red; anthers yellow; nectar chamber 4–6 mm. Fruits green, 15–25 mm, pulp white. 2n = 22.
Phenology: Flowering early spring; fruiting 2 months after flowering.
Habitat: Open prairies with mesquite, Tamaulipan thorn scrub, alluvium, red gravel, limestone
Elevation: to 150 m
Distribution
Tex., Mexico (Nuevo León, Tamaulipas).
Discussion
Small-stemmed plants were designated as Echinocereus papillosus var. angusticeps (Clover) W. T. Marshall, reportedly endemic near Linn, Texas. The status of the proposed variety remains unresolved but appears weak; W. Blum et al. (1998) and E. F. Anderson (2001) considered the name to be a synonym of typical E. papillosus.
Selected References
None.