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Glandulicactus wrightii (Engelm.) D.J.Ferguson식물/들꽃-선인장과(Cactaceae) 2024. 10. 10. 14:42
국표에 없다.
Origin and Habitat: Widespread and relatively common over a large area ranging from South-western US (Texas, New Mexico), to Mexico (Chihuahua, Coahuila, Durango, Nuevo León, Sonora, Zacatecas).
Habitat: Chihuahuan desert scrub, semi-desert grasslands, limestone outcrops, sometimes igneous 500-2000 m often growing within tuft of grass, this suggest that grasses are the most important nurse plants for this cactus..Synonyms:
- Sclerocactus uncinatus subs. wrightii (Engelm.) N.P.Taylor
Common Names include:
ENGLISH: Eagle-claw Cactus, Mountain Fishhook Cactus, Brown Flowered Hedgehog, Turk's Head, Cat-claw Cactus, Wright's Fishhook Cactus
RUSSIAN (Русский): Склерокактус г-жи РайтDescription: Medium sized solitary cactus with very long central hooked spines .
Stem: Globose or short columnar glaucous green or greysh green in colour, up to 15 cm tall, and not more than 8 cm in diameter.
Ribs: Protruding, 9-15 mm hight, 6-10 mm wide, deeply notched and thus almos divide in tubercles,
Spines: New spines in young areoles are pink to reddish, later straw coloured to pale gray.
Radial spines: 8-10 , abaxial 3 hooked , nearly as thick as central spines 15-45 mm long.
Central spines: Hooked, 5-12 cm long.
Root: Tap root.Flowers: Relatively small, Approx. 2-4 cm. long, 2-3 cm in diameter. Very distinctive brick-red to purplish or brownish purple, usually dark or dull. (Much the colour of Mammillaria pottsiiSN|9355]]SN|9355]] flowers). Several flowers usually develop together at the stem apex.
Blooming season: Spring (March-May), the flowers remain open for up to twelve days.
Fruits: Roundish, bright red, with numerose conspicuous white fringed scales, pulp mealy. Fruiting May-June. it is common to see several fruit developing simultaneously at the stem apex.
Remarks: The northern species Glandulicactus uncinatusSN|3482]]SN|3474]] var. wrightii has characteristic red fruits while the similiar and often confused Glandulicactus uncinatusSN|3474]]SN|3474]] var. uncinatus has green fruits and is endemic in and around San Luis Potosí, Mexico south of var. wrightii; perhaps it is more similar to Glandulicactus mathssoniiSN|3474]]SN|3482]] from even farther south (Guanajuato).Glandulicactus wrightii (llifle.com)
https://youtu.be/nl5G0mMkwxc?t=503
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