HUMIFUSUM Rose, 1911
Distribution : Mexico (Querétaro)
Description (according to IHSP, 2003) :
Minute perennial herbs with short stoloniferous rootstock and many small branches forming a dense moss-like carpet.
Leaves densely imbricate, obovate to nearly orbicular, obtuse, strongly ciliate at the margins, flattened but fleshy, 3 – 4 mm, flowering branches erect, slender.
Flowers solitary, 5-merous, sessile, sepals basally free, shortly spurred, slightly unequal, leaf-like, strongly ciliate at the margins, very thick, 2 – 3 mm, petals nearly free to the base, subovate, subobotuse, bright yellow, 6 – 10 mm, widely spreading.
Cytology : 2n = 68, 70, 136
Plant in habitat, Querétaro, Mexico :