Key to Maianthemum
View taxon page for Maianthemum
(For a list of species in Maianthemum, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1' Perianth parts 6; ovary chambers 3
2. Inflorescence a
panicle 
1. In flowering plants excluding Asteraceae, Cyperaceae, Poaceae, and some other groups, a branched inflorescence in which the basal or lateral flowers (or some of them) open before the terminal or central flowers on any axis. 2. In Asteraceae, Cyperaceae, Poaceae, and some other groups, a panicle-like inflorescence is one in which at least some of the inflorescence units (e.g., heads in Asteraceae; spikelets in Cyperaceae and Poaceae), instead of individual flowers, are attached (stalked or unstalked) to branches and not directly to the main axis of the inflorescence and in which floral development may or may not proceed as in 1.
;
perianth 1–2 mm, <<
stamens ..... M. racemosum 2' Inflorescence a
raceme 
In flowering plants excluding Asteraceae, Cyperaceae, Poaceae, and some other groups, an unbranched inflorescence in which the flowers are borne on pedicels and nearly always open from the bottom to the top of the inflorescence. 2. In Asteraceae, Cyperaceae, Poaceae, and some other groups, a raceme-like inflorescence is one in which the inflorescence units (e.g., heads in Asteraceae; spikelets in Cyperaceae and Poaceae), instead of individual flowers, are stalked and attached directly to the main axis of the inflorescence, not to branches, and in which floral development may or may not proceed as in 1.
(or few-branched near base); perianth 4–7 mm, > stamens
..... M. stellatum
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