GRANDE  Alexander, 1956

Type : MacDougall B-155, collected Nov 5, 1953, on the slope of Cerro de Larión above Ranchería Mexicalzingo, about 25 km southwest of Tlaxiaco, Oaxaca, Mexico, at 5'000 ft alt.

Distribution : Mexico (Guerrero, Oaxaca); partly shaded rocks and cliffs, 1500 – 2000 m.

Description (by J. Thiede in IHSP, 2003) :

Shrublets; stems erect to 30 (-200) cm, to 1,5 cm in diameter, grey-green.

Leaves spreading, rather laxly arranged, broadly spatulate, apically truncate or somewhat obtuse, 5 – 8,5 x 3,5 cm, pale yellow-green.

Inflorescences few, to 35 cm, thyrses 6 – 22 cm, with 6 – 9 spreading scorpioid ± zigzag branches with 0 – 4 secondary branches with ± 4 flowers each, pedicels 5 – 8 mm.

Flowers 5-merous, sepals linear, unequal, 2,5 – 3 mm, corolla 20 mm in diameter, petals lanceolate, 11 mm, upper face sulphur-yellow, lower face pale green, tube 2 mm, markedly saccate, lobes keeled on the lower face, with basally scattered chesnut-brown blotches and/or stripes that become confluent apically, lower face with red stripes near the margins, filaments greenish-white.

Cytology : n = 66