Batesimalva Fryxell
Contenido
Descripción
Shrubs 1-2 m tall, stellate-puberulent. Leaves long-petiolate, the blades oblong to ovate-lanceolate, sometimes weakly trilobed, cordate, coarsely crenate, discolorous, lacking foliar nectaries; stipules very small (0.5 mm or less) or absent. Flowers solitary or clustered in the leaf axils; pedicels slender and elongate; involucel absent; calyx ecostate, often brownish at least at base; petals bluish lavender, white, or orange (the flowers sometimes cleistogamous); androecium pallid, glabrous, antheriferous at apex, included (in ours) or exserted, the pollen yellow orange; styles 8~11 (-16), slightly exceeding the androecium; stigmas capitellate. Fruits schizocarpic; mericarps 8-11 (-16), 1-seeded although 2-celled and 3-ovuled; the lower cell indehiscent, reticulate, enclosing solitary seed, more or less separated from upper cell by a divided endoglossum; the upper cell empty (by abortion of the 2 ovules), dehiscent, the wall smooth, rounded, and widely separating to form wings; seeds subglabrous, pubescent, or scabridulous. Base chromosome number: x = 16.A
Discusión taxonómica
Batesimalva includes two species from northeastern Mexico and a third species from western Venezuela.A