The Plants of Michigan: Simple Keys for the Identification of the Native Seed Plants of the StateGleason, Henry A. (Henry Allan)
Science
The Plants of Michigan: Simple Keys for the Identification of the Native Seed Plants of the State
Gleason, Henry A. (Henry Allan)
Plants -- Michigan
60b. Leaves and stem glabrous, or with close appressed pubescence
=Bush Clover, Lespedeza frutescens.=
61a. Leaves ovate or broadly elliptical; corolla conspicuously exceeding
the calyx --62.
61b. Leaves linear-oblong; calyx about as long as the corolla
=Bush Clover, Lespedeza manniana.=
62a. Stem erect or ascending --63.
62b. Stem trailing; peduncles much exceeding the leaves
=Bush Clover, Lespedeza procumbens.=
63a. Villous-pubescent; inflorescence dense; some peduncles shorter than
the leaves =Bush Clover, Lespedeza nuttallii.=
63b. Slightly pubescent or glabrous; inflorescence loose, on peduncles
much longer than the leaves =Bush Clover, Lespedeza violacea.=
LINACEAE, the Flax Family
Herbs with simple leaves, and regular flowers, having 5 sepals, 5 yellow
or blue petals, 5 stamens, and 5 styles.
1a. Flowers blue (3-6 dm. high; summer) =Flax, Linum usitatissimum.=
1b. Flowers yellow (3-8 dm. high; summer) (Wild Flax) --2.
2a. Middle stem-leaves below the branches opposite
=Wild Flax, Linum striatum.=
2b. Middle stem-leaves below the branches alternate --3.
3a. Leaves narrowly lanceolate to linear, 1-4 mm. wide --4.
3b. Leaves oblanceolate to oblong, 4-6 mm. wide
=Wild Flax, Linum virginianum.=
4a. Leaves entire =Wild Flax, Linum medium.=
4b. Upper leaves glandular-ciliate =Wild Flax, Linum sulcatum.=
OXALIDACEAE, the Wood Sorrel Family
Herbs, with alternate or basal compound leaves with 3 reverse
heart-shaped leaflets; sepals, petals, and styles each 5; stamens 10.
(Wood Sorrel)
1a. Leaves all basal; flowers white to pink-purple (1-2 dm. high; late
spring) --2.
1b. Stem-leaves present; flowers yellow (1-5 dm. high; spring and
summer) --3.
2a. Flower-stalks bearing a single flower
=Wood Sorrel, Oxalis acetosella.=
2b. Flower-stalks bearing an umbel of several flowers
=Wood Sorrel, Oxalis violacea.=
3a. Stem prostrate and creeping Wood Sorrel, Oxalis repens.
3b. Stem erect or ascending --4.
4a. Pedicels with spreading pubescence
=Wood Sorrel, Oxalis corniculata.=
4b. Pedicels with appressed pubescence
=Wood Sorrel, Oxalis stricta.=
GERANIACEAE, the Geranium Family
Herbs, with deeply lobed or divided leaves; flowers regular, with 5
sepals, 5 petals, 5 or 10 stamens, and a 5-celled ovary.
1a. Anthers 5 (spreading or ascending plants, 2-4 dm. high; flowers pink
or purple, spring and summer) --2.
1b. Anthers 10 --3.
2a. Leaves pinnately dissected =Stork's-bill, Erodium cicutarium.=
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