Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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PLANTAGINACEAE

PLANTAIN FAMILY

Lauramay T. Dempster

Annual, perennial herb, generally scapose
Leaves generally basal, simple, with longitudinal ribs; stipules 0
Inflorescence: spike, generally terminal, generally dense; flowers few–many, each subtended by 1 bract
Flower unisexual or bisexual, generally radial; calyx deeply 4-lobed, lobes generally overlapping, persistent, margin mostly scarious; corolla salverform or cylindric, lobes 4, spreading to erect, scarious, persistent, colorless; stamens 2–4, alternate corolla lobes, epipetalous; ovary superior, 2–4-chambered, ovules several per chamber, style 1, stigma long, hairy
Genera in family: 3 genera, ± 270 species: worldwide, especially temp; some weedy, some (especially P. afra , psyllium) cultivated for laxative
Recent taxonomic note: Recently treated to include Callitrichaceae, and most non-parasitic CA genera of Scrophulariaceae (but not Mimulus, Scrophularia, Verbascum); = Veronicaceae sensu Olmstead et al. [Angiosperm Phylogeny Group 1998 Ann Missouri Bot Gard 85:531–553; Olmstead et al. 2001 Mol Phylog Evol 16:96–112]
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