Fig. 5
From: Floral morphology and phenology of Sassafras tzumu (Lauraceae)
Flowers of Sassafras albidum (Nutt.) Nees. A, female flower, with three staminodes and the central functional pistil; B, male flower side view displaying the fertile stamens with secretory glands and staminodes of the fourth staminal whorl; C, male flower apical view displaying stamens, staminodes, and the central pistillode. Abbreviations: g, glands; p, pistil; pi, pistillode; s1, the first whorl of stamens; s2, the second whorl of stamens; s3, the third whorl of stamens; st, staminode; t1, the first whorl of tepals; t2, the second whorl of tepals. Photos by J.G.Rohwer