Monanthes anagensis

Canary Islands; local endemic of the island of Tenerife and abundant along the watershed of the Anaga Mountains, at an altitude of 600–1,000 metres (2,000–3,300 ft).^[2][1]

A small, erect, glabrous, much-branched sub-shrub, up to 15 centimetres (5.9 in) high and wide. Roots fibrous. Branches grey, tortuous, bare save near the apices (more leafy in cultivation). Leaves alternate, not rosulate, sessile, glabrous, linear-elliptic (or in cultivation linear), rather blunt, subtereta, flattish and channelled on face, about 1.5 cm (in cultivation up to 2.5 cm) long, 4 mm broad, 3 mm thick, green, in exposure red or purple. Inflorescence pseudo-terminal, 2 to 6 flowered, racemose, pedicels glabrous, filiform, up to 2.5 cm long. Buds broadly ovoid. Flowers 7-parted, 1 cm across, greenish-yellow. Calyx glabrous, cut halfway down into deltoid subacute segments. Petals deltoid-lanceolate, acute, 4 mm long, greenish-yellow with reddish nerve. Stamens nearly equaling the petals, filaments reddish, anthers yellow. Scales 1 mm long, 1,5mm broad, narrow below, expanded above into two subcircular scrabid pale green lobes. Carpels 2,5 mm long, the short styles at first erect, later divergent. Flowering May–June.^[1]