Echeveria

UNGUICULATA  Kimnach, 2002   (engl./ fr.)

Series Angulatae
 

 

Type : Glass & Foster 2624, collected 24 km S of Huizache on Mex. highway 57 May 1970.

 

Etymology : Lat. ‘unguiculatus’, clawed, with a nail : for the leaf tip.

 

Distribution :  Mexico (SW Tamaulipas, E San Luis Potosí)


 

Description by Myron Kimnach in Cactus & Succulent Journal US 76(2): 93-94, ills.,2002 :

 

Rosette solitary or rarely caespitose.

 

Stem eventually to 5 cm long or more, 10 – 15 mm thick, brownish.

 

Leaves ca 30, the younger ones upcurving, the lowest horizontal to slightly deflexed, narrowly ovate-lanceolate, subulate, 4 – 5.5 cm long, 12 -15 mm wide at widest part, 2 – 3 cm below apex, 8 – 10 mm thick, lower surface convex, not keeled, upper surface flat to slightly convex, not keeled or only slightly so, margins rounded, apex mucronate, sharp, reddish, rest of leaf purplish grey with a thin whitish bloom.

 

Flowering stem an unbranched cincinnus to 50 cm long or more, peduncle ca 7 mm thick near base, ca 4 mm thick just below inflorescence, pinkish green, glaucous, bracts ascending, narrowly elliptical, subulate, apex sharp, nearly lacking a basal spur, ca 20 mm long, 7 mm wide and 5 mm thick, colored like the leaves ; rachis of inflorescence 10 – 12 cm long, 2 – 4 mm thick, bracts 8 – 15 mm long, flowers ca 8, pedicels recurving before anthesis, later erect, 6 – 17 mm long, 1.25 – 2 mm thick.

 

Flowers : Sepals at right angles to corolla to slightly upcurving, very unequal, shorter ones deltoid, longer ones ovate-deltoid, acute, 2 – 12 mm long, 2 – 5 mm wide at base, 2 – 3 mm thick, coloured as the leaves, corolla nearly rectangular in side view, subcylindric, with nearly straight sides, obtusely angled, 15 – 17 mm long, 8 – 9 mm thick for nearly entire length, petals linear-lanceolate, acute, the apices erect or only slightly recurving, light salmon-pink, lighter toward base, inner side pinkish white on basal half, orangish yellow on apical half, epipetalous filaments ca 4.5 mm long, antesepalous filaments ca 5.5 mm long, all filaments acuminate, ca 1 mm wide near base, yellow, anthers linear, greenish, gynoecium turbinate, narrowed at base, 10 mm long, 7 mm thick near middle, cream, greenish near apex, styles subulate, ca 1.5 mm long, greenish, nectaries linear, 3 – 4 mm wide.

 

Cytology : n = ± 220


By mistake offered by ISI (nr. 1644, in 1986) as aff. angustifolia.

 

Link to a summary of the above description in English and French.

 

 

Photo Christophe Camassel

Photos Rudolf Zacher

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