The Loganiaceae of Africa III. Spigelia L.
Acta botanica neerlandica , Volume 10 - Issue 4 p. 460- 465
Spigelia L. is the type genus of the Spigelieae which are usually herbaceous plants with valvate aestivation, a capsule, and unwinged seeds. It differs mainly from its relatives by a cupula-like base of the capsule which remains after the valves have been shed, and a usually unbranched cincinnous inflorescence.
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