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sedum clavatum R.T. Clausen

 

국명 라울, 학명 sedum clavatum R.T. Clausen으로 국표에서 검색이 되지 않는다.

sedum 속은 전부 158건이나

 

Sedum clavatum (Tiscalatengo Gorge Sedum) An attractive succulent in the Pachysedum group that grows to 4 inches tall with stout creeping stems terminating in 2 inch wide rosettes of glaucus blue-green succulent leaves and has a compact inflorescence of many white star-shaped flowers in mid to late spring (April - May in Santa Barbara) to early summer that take a pink hue with age. The stems lose their leaves as they elongate but are often covered by younger stems so the plant can look like a solid mat of attractive succulent gray colored rosettes. Plant in full coastal sun or part sun in a well-drained soil and irrigate occasionally. Though often noted as frost tender we had our plant go undamaged through 3 nights at 25� F in our January 2007 cold spell - perhaps not hardy much below this though we have been told it also does well in the Pacific Northwest. Great in the ground if soil is well-drained, especially trained over or around a rock, in a container planting or hanging basket. Ray Stephenson notes in his book Sedum; Cultivated Stonecrops (Timber Press, 1994) that "This is a very elegant, stately species for hanging baskets." This plant was previously known as an unnamed Sedum species growing along the cliffs on Tiscalatengo Gorge, an area in the Trans-Mexican Volcanic Belt near Villa Guerrero in the state of Mexico. It was first discovered in 1959 by Robert Clausen, Cornel Professor of Botany and author or Sedum of North America North of the Mexican Plateau and later described by him as Sedum clavatum in 1975. The specific epithet comes from the Latin word 'clava' meaning "club" for the baseball shape of the sepals. This plant was an International Succulent Introduction in 1979 (ISI#1161). Cuttings were taken from the Huntington Botanic Garden's plant (HBG#23982) that had been collected by Jorge Meyr�n at the type locality.  This description is based on research and observations of this plant as it grows in our nursery, in our nursery garden and in other gardens that we visit. We also incorporate comments received and appreciate getting feedback of any kind from those who have any additional information about this plant, particularly if they disagree with what we have written or if they have additional cultural tips that would aid others in growing Sedum clavatum.

http://www.smgrowers.com/products/plants/plantdisplay.asp?plant_id=3809

 

Sedum clavatum is known only from one locality, the gorge of the Tiscalatengo River in the vicinity of Villa Guerrero an area in the Trans-Mexican Volcanic Belt at southeast of the Nevado de Toluca in the southern part of the state of Mexico.

 

Common Names include:
ENGLISH: Tiscalatengo Gorge Sedum

Description: Sedum clavatum Clausen (1975) has been only recently named, although it was earlier described in detail as the "Sedum of the Tiscalatengo Gorge" (Clausen, 1959) is a particularly attractive small succulent groundcover in the Pachysedum group with glaucous, thick, clavate forming clumps or mats to 10 cm tall but spreads outward over time. The specific epithet comes from the Latin word 'clava' meaning "club" for the baseball shape of the sepals. Several varieties available (blue forms etc.)
Rosettes: Compact, up to 5 cm wide tending to elongate to form long creeping stems in time. The stems lose their leaves as they lengthen but are usually covered by younger stems so the plant can look like a solid mat of attractive succulent frosty blue-green rosettes. The leaves are up to 25 mm long.

http://www.llifle.com/Encyclopedia/SUCCULENTS/Family/Crassulaceae/28223/Sedum_clavatum

 

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