Helianthemum almeriense, also known as jarilla, mata turmera or tormera in Spanish, is a very branched woody plant of the Cistaceae family, with showy white flowers, which blooms in winter and spring.
Leaves elliptic to oblong-lanceolate or linear-lanceolate, rarely suborbicular, obtuse, flat or more rarely with somewhat revolute margin, glabrous to sparsely stellate-pubescent on the upper side, and glabrous underside, more rarely stellate-pubescent or tomentose, and with lateral veins generally not very prominent; blade 2-18 by 0.6–4 mm; stipules up to 2–3.5 mm, shorter or longer than petiole, subulate or triangular-subulate, apex often piliferous, glabrous or more or less hairy, green.
Fruit in capsule 4.5–7 mm, similar or shorter in length than the calyx, globose or ellipsoidal, densely hairy, polyspermous.
[1][2] Its presence is related to that of a mycorrhizal fungus: Terfezia claveryi or turma, which is of the so-called desert truffles (fam.
[3] This characteristic is translated into some of the vernacular names of the species - and others of the genus Helianthemum, such as Mata turmera and Tormera (in Spanish).