Villadia

SQUAMULOSA Rose, 1903

Synonyms :

 

Altamiranoa squamulosa  (Rose) E.Walther (1938)

Cotyledon parviflora var. squamulosa   S.Watson (1887)

Sedum squamulosum  S.Watson (1887)

 

Distribution : USA (South-western Texas), Mexico (Chihuahua, Coahuila, north Zacatecas).

 

 

Description (according to IHSP, 2003) :

 

Herbs.

 

Roots thickened, clustered.

 

Stems short-lived, erect or ascending, slender, basally branched, somewhat rough-papillose, 5 - 20 (-25) cm.

 

Leaves 20 - 70, linear, 10 - 25 x 1 - 3 mm.

 

Inflorescences lax spikes or thyrses with 10 - 30 branches, pedicels absent or short.

 

Flowers : Corolla small, open, 5 - 7 mm in diameter, sepals elliptic-obovate, 1 – 3 mm, petals ovate, 2 - 3 mm, rose-coloured, tube hardly 0.5 - 0.75 mm, lobes spreading from above the middle, acute.

 

Cytology : n = 17

 

According the ICBN Art. 58.3, Ex. 2, Rose is the sole author for the combination V. squamulosa.





Photos Ted Niehaus, Department of Botany, National Museum of Natural History, Smithsonian Institution, Washington, USA

© 2008 Ted Niehaus.




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