Oncosiphon piluliferum (L. f.) Kallersjo  
Family: Asteraceae
[Matricaria globifera (Thunb.) Fenzl]
Oncosiphon piluliferum image
Liz Makings  
Herbage with vile odor. Leaf blades mostly obovate, 20-35 mm, ultimate lobes linear to spatulate or oblanceolate, 0.5-1 mm wide, sparsely puberulent or strigillose, minutely gland-dotted (in pits). Heads borne singly or 2-4 in corymbiform arrays. Peduncles 1-2(-8) cm, ebracteate. Involucres 3-3.5 × 4-6 mm. Receptacles ± conic to subspheric, muricate. Disc corollas 1.5-2 mm. Cypselae slightly curved, 0.6-0.8 mm, sparingly dotted with minute, glistening oil glands; pappi coroniform, 0.05-0.1 mm, margins subentire or minutely dentate. 2n = 12. Flowering Mar-Jun. Disturbed sites, coastal scrub; 500-900 m; introduced; Ariz., Calif.; South Africa.
Oncosiphon piluliferum image
Liz Makings  
Oncosiphon piluliferum image
Max Licher  
Oncosiphon piluliferum image
Liz Makings  
Oncosiphon piluliferum image
Arizona State University Herbarium  
More Images        Web Links       View Parent Taxon       Close window