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Aquatic and Wetland Vascular Plants of the Northern Great Plains

Mimulus L. -- Monkey-flower

Rhizomatous and sometimes stoloniferous perennials (or annual, in part, in M. guttatus) of various growth habits. Leaves opposite, sessile or petiolate, subentire to shallowly serrate. Flowers solitary on pedicels from the leaf axils or in terminal, leafy-bracteate racemes, often rather large and showy; calyx tubular, regular to irregular, the lobes shorter than the tube; corolla slightly to strongly bilabiate, yellow or blue-violet, lobes of the upper lip erect to reflexed, lobes of the lower lip spreading or deflexed, the lower lip often arched or ridged in the throat so that the orifice is mostly or completely closed; stamens 4, in 2 pairs of differing lengths; stigmas 2, distinct. Capsule cylindric, loculicidal.

Reference:
  
Grant, A. L.  1924.  A monograph of the genus Mimulus.  Ann. Missouri Bot. 
     Gard. 11:99-389.

Lead	Characteristic	Go To
1	Flowers blue-violet to lavender.	Lead 2
1	Flowers yellow.	Lead 3
2	Leaves sessile; pedicels longer than the calyx.	M. ringens
2	Leaves petiolate; pedicels shorter than the calyx.	M. alatus
3	Stems weak, spreading or creeping; corolla 9-15 mm long.	M. glabratus
3	Stems stout, erect; corolla 25-45 mm long.	M. guttatus

45. Scrophulariaceae, the Figwort Family

7. Mimulus L. -- Monkey-flower

1. Mimulus alatus Ait. -- Sharpwing monkey-flower

2. Mimulus glabratus H.B.K. -- Roundleaf monkey-flower

3. Mimilus guttatus DC. -- Common yellow monkey-flower

4. Mimulus ringens L. -- Allegheny monkey-flower

Return to Family -- Scrophulariaceae - The Figwort Family
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