Crassula

MONTANA ssp. QUADRANGULARIS (Schönland) Tölken, 1975 (engl./ fr.)

Synonyms :

Crassula quadrangularis Schönland (1903)

Crassula gillii Schönland (1907)

 

Distribution : SA (Western Cape : area between Laingsburg, Beaufort West and Uitenhage); often growing in dense mats in sheltered rock crevices or on the south-facing aspect of cliffs.

 

 

Description (according to Tölken, 1985) :

 

Leaves usually obovate, rarely elliptic, abruptly tapering towards apex, 7-15(-20) mm long, reflexed and adpressed to form an almost flat rosette.

 

Inflorescence usually a flat-topped thyrse.

 

Flowers : Petals 4-5(-6) mm long, squamae oblong and scardely constricted towards base.

 

Flowering time : August – October.

 

 

 

Differs from ssp. montana (acc. to Van Jaarsveld in IHSP, 2003):

 

Branches smaller, forming dense mats.

 

Leaves 7 – 15 (-20) x 8 – 12 mm, obovate, neatly decussate and appressed, forming a truncate square body 2 x 2 cm.

 

Inflorescences erect flat-topped to rounded thyrses to 5 cm, peduncle 3 cm, bracts ovate, 4 mm.

 

Flowers : Corolla tubular, petals basally fused, apically spreading star-like, white, 5 mm.

 

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Synonymes :

Crassula quadrangularis Schönland (1903)

Crassula gillii Schönland (1907)

 

Distribution : Afrique du Sud (nord du Cap-Occidental), à l'ombre des rochers.

 

 

 

Différences par rapport à la ssp. montana :

 

Branches plus petites, formant de denses tapis.

 

Feuilles 7 – 15 (-20) x 8 – 12 mm, obovales, nettement décussées et serrées formant un corps carré tronqué de 2 x 2 cm.

 

Inflorescence : Thyrse érigé de 5 cm à tête plate ou arrondie, pédoncule de 3 cm, bractées ovales, 4 mm.

 

Fleurs : Corolle tubulaire, pétales soudés à leur base, s'écartant en étoile, 5 mm.

 

In habitat - Theekloof Pass :

Photos Chris Rodgerson

In cultivation :

Photo Noelene Tomlinson

Photos Santino Rischitelli

C. montana ssp. quadrangularis grown in the south of Italy
Photo Corrado Coccorese
grown in UK
Photo Roy Mottram
grown in California
Photos Michael Wisnev

grown in Switzerland

Photo Margrit Bischofberger

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