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FNA | Family List | FNA Vol. 8 | Ericaceae | Monotropsis

1. Monotropsis odorata Schweinitz in S. Elliott, Sketch Bot. S. Carolina. 1: 479. 1817.

Sweet pinesap, Carolina beechdrops, pygmy-pipes

Monotropsis lehmaniae Burnham; M. odorata var. lehmaniae (Burnham) H. E. Ahles; M. reynoldsiae (A. Gray) A. Heller

Inflorescences 4-13 cm; bracts 5-11 × 2-8 mm, scarious at maturity. Flowers: sepals 1.5-10 × 0.5-4 mm; corolla 5-10 mm, lobes lanceolate-ovate, base saccate, apex rounded to acute; stamens 3-6 mm; anthers inverted at anthesis, 0.5 mm diam.; ovary 1-4 × 1-3 mm, glabrous; style 2-4 × 0.5-1.5 mm; stigma whitish to dull purplish, 1 mm diam. Berries 4-8 mm diam. Seeds to 0.6-1 mm diam.

Flowering late early spring-early summer(-winter). Mixed-deciduous or coniferous forests; 0-1400 m; Ala., Del., Fla., Ga., Ky., N.C., S.C., Tenn., Va.

Other taxa of Monotropoideae also flower in the fall (e.g., Monotropa hypopitys). There are often associated differences in proportions of flower parts; usually inflorescences and flowers are smaller. The fall-flowering form of Monotropsis odorata in the Carolinas has been called var. lehmaniae. However, H. E. Ahles, who made that combination, later (1967) determined that it is a seasonal phase of M. odorata, a determination supported by R. L. Wilbur (1970b). In Florida, the fall-winter-flowering form of M. odorata has been called M. reynoldsiae. The commonly used distinguishing features are the sizes of the inflorescences and flowers, and the proportion of the calyx to the corolla. These features are variable to a degree in M. odorata, and a range may be seen even in the specimens comprising the holotype of M. reynoldsiae at Gray Herbarium.


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