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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

Name: The Plants of Michigan: Simple Keys for the Identification of the Native Seed Plants of the State
Author: Gleason, Henry A. (Henry Allan)

Gleason, Henry A. (Henry Allan)

Plants -- Michigan

43a. Flowers panicled (3-6 dm. high)
                             =False Solomon's Seal, Smilacina racemosa.=

43b. Flowers racemed --44.

     44a. Leaves 2-4, usually 3 (1-2 dm. high)
                             =False Solomon's Seal, Smilacina trifolia.=

     44b. Leaves 5-12 (2-5 dm. high)
                             =False Solomon's Seal, Smilacina stellata.=

45a. Flowers bright blue; perianth-segments united (2-3 dm. high,
     spring)                       =Grape Hyacinth, Muscari botryoides.=

45b. Flowers blue, greenish, yellowish, or white; perianth-segments
     separate --46.

     46a. Flowers 1 cm. wide, or smaller (white or greenish, in racemes,
          late spring or summer) (False Asphodel) --47.

     46b. Flowers 1.5 cm. wide, or larger --48.

47a. Stem glabrous (2 dm. high or less)
                                  =False Asphodel, Tofieldia palustris.=
                                  =False Asphodel, Tofieldia glutinosa.=

47b. Stem viscid-pubescent (1-5 dm. high)

     48a. Perianth-segments with 2 glands near the base (3-8 dm. high;
          greenish-white panicled flowers in summer)
                                     =Zygadenus, Zygadenus chloranthus.=

     48b. Perianth-segments without glands --49.

49a. Plant 3-5 dm. tall; flowers blue or nearly white, in long racemes
     (early summer)                 =Wild Hyacinth, Camassia esculenta.=

49b. Plant 1-3 dm. tall; flowers greenish-white, in short corymb-like
     racemes (spring)      =Star of Bethlehem, Ornithogalum umbellatum.=

DIOSCOREACEAE, the Yam Family

Twining herbs with net-veined leaves and greenish or white flowers in
panicles or racemes.

One species in Michigan; leaves ovate-cordate; flowers in summer
                                          =Wild Yam, Dioscorea villosa.=

AMARYLLIDACEAE, the Amaryllis Family

Plants with linear basal leaves, and perfect flowers, with 6-parted
perianth, inferior ovary, and 6 stamens.

One species in Michigan; 1-2 dm. high; flowers yellow, 1 cm. wide, in
spring                                    =Star Grass, Hypoxis hirsuta.=

IRIDACEAE, the Iris Family

Herbs, with 6-parted perianth, inferior ovary, and 3 stamens.

1a. Flowers blue, 5 cm. wide or larger --2.

1b. Flowers about 1 cm. wide (blue or white, from a spathe terminating a
    2-edged stem 2-5 dm. high, spring and early summer) (Blue-eyed
    Grass) --3.

     2a. Flowering stems 4-8 dm. high (early summer)
                                           =Blue Flag, Iris versicolor.=

     2b. Flowering stems 2 dm. or less high (spring)
                                           =Dwarf Iris, Iris lacustris.=

3a. Spathes terminal, sessile --4.

3b. Spathes long-peduncled, axillary --8.

     4a. Spathe single --5.

     4b. Spathes 2 on each flowering stem --7.

5a. Pedicels much longer than the inner (shorter) bract
                             =Blue-eyed Grass, Sisyrinchium mucronatum.=

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The Plants of Michigan: Simple Keys for the Identification of the Native Seed Plants of the State

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