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Glory Of Texas

Thelocactus bicolor (Galeotti ex Pfeiff.) Britton & Rose

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Thelocactus bicolor varies geographically, and an indefinite number of segregate taxa may deserve recognition in Mexico.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 215, 217, 218 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Description

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Stems 3-38 × (2-)4-10(-18) cm; ribs 8-13 (plant often reaching sexual maturity while still entirely tuberculate); areoles spaced 6-20 mm apart along ribs. Spines (8-)12-30 per areole; radial spines (8-)12-20(-27) per areole, straw colored or white, contrasting with all other spines, 9-35(-45) × 0.3-1 mm, adaxial 1-3+ spines of areole strongly flattened, bladelike or ribbonlike, to 4 times wider than thick, 16-75(-100) mm (usually absent from sexually immature plants); central spines (9-)13-42(-58) × (0.2-)0.4-1.5 mm. Flowers: inner tepals rose-pink to magenta, marked with scarlet or orange proximally, sometimes with white band or margins near bases; stigma lobes reddish to red-orange or pale reddish brown or yellowish. Seeds finely papillate with strongly convex testa cells. 2n = 22.
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 215, 217, 218 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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eFloras

Synonym

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Echinocactus bicolor Galeotti ex Pfeiffer in L. K. G. Pfeiffer and C. F. Otto, Abbild. Beschr. Cact. 2: plate 25. 1848
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 215, 217, 218 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
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eFloras

Thelocactus bicolor

provided by wikipedia EN

Thelocactus bicolor, the glory of Texas, is a species of flowering plant in the cactus family, widely distributed in the northern Chihuahuan Desert of the USA (Texas) and Mexico. Plants are usually solitary, but may form clumps.[2] Growing to 50 cm (20 in) tall, it is a perennial with spiny, ribbed, succulent stems. Large daisy-like flowers, up to 8 cm (3.1 in) in diameter, are borne in summer. The petals are purplish-pink, fading to white. The inner petal tips form a circle of red surrounding a prominent yellow boss.

This cactus is grown as an ornamental. A warm, dry, sunny spot in sharply-drained specialist cactus compost must be provided. It has gained the Royal Horticultural Society’s Award of Garden Merit.[3][4]

Lower taxa

  • Thelocactus bicolor subsp. bolaensis (Runge) Doweld
  • Thelocactus bicolor subsp. flavidispinus (Backeb.) N.P. Taylor
  • Thelocactus bicolor subsp. schwarzii (Backeb.) N.P. Taylor[5]

Gallery

  • Thelocactus bicolor

    Thelocactus bicolor

  • Thelocactus bicolor subsp. schwarzii

    Thelocactus bicolor subsp. schwarzii

  • Thelocactus bicolor v. tanquecillos

    Thelocactus bicolor v. tanquecillos

  • Pistil and stamens

    Pistil and stamens

  • Thelocactus bicolor subsp. bicolor

    Thelocactus bicolor subsp. bicolor

  • Thelocactus bicolor

    Thelocactus bicolor

References

  1. ^ Goettsch, B.K.; Heil, K.; Terry, M.; Corral-Díaz, R. (2017). "Thelocactus bicolor". IUCN Red List of Threatened Species. 2017: e.T152343A121588774. doi:10.2305/IUCN.UK.2017-3.RLTS.T152343A121588774.en. Retrieved 13 November 2021.
  2. ^ "Thelocactus bicolor". The Encyclopedia of cacti. Retrieved 23 December 2018.
  3. ^ "RHS Plantfinder - Thelocactus bicolor". Retrieved 23 December 2018.
  4. ^ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 102. Retrieved 23 December 2018.
  5. ^ "Thelocactus bicolor". The Plant List. Retrieved 23 December 2018.
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Thelocactus bicolor: Brief Summary

provided by wikipedia EN

Thelocactus bicolor, the glory of Texas, is a species of flowering plant in the cactus family, widely distributed in the northern Chihuahuan Desert of the USA (Texas) and Mexico. Plants are usually solitary, but may form clumps. Growing to 50 cm (20 in) tall, it is a perennial with spiny, ribbed, succulent stems. Large daisy-like flowers, up to 8 cm (3.1 in) in diameter, are borne in summer. The petals are purplish-pink, fading to white. The inner petal tips form a circle of red surrounding a prominent yellow boss.

This cactus is grown as an ornamental. A warm, dry, sunny spot in sharply-drained specialist cactus compost must be provided. It has gained the Royal Horticultural Society’s Award of Garden Merit.

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