Photographer: Merel R. Black
Houstonia longifolia Gaertn.
Houstonia: for Dr. William Houston, English botanist, who collected in Tropical America
longifolia: longus for "long, extended;" folius for "leaves"
|Plant: ||erect, perennial, 3"-10" tall forb, several stems often branching toward the top|
|Flower: ||blue-purple to white, 4-parted, 1/4"-1/3" wide, tubular with a funnel-shaped mouth, hairy throat; inflorescence a terminal, branched cluster (cyme) of many, short-stalked, crowded flowers; blooms June-Aug.|
|Leaf:||all stalkless, opposite, widely linear to narrowly oblong, mostly smooth|
|Habitat: ||dry; prairie, barrens; in rocky, sandy soil|