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
11b. Flowers in dense clusters on various species of shrubs
=Dodder, Cuscuta compacta.=
12a. Tips of the petals inflexed =Dodder, Cuscuta coryli.=
12b. Tips of the petals erect or spreading --13.
13a. Capsule depressed at the summit =Dodder, Cuscuta cephalanthi.=
13b. Capsule pointed at the summit =Dodder, Cuscuta gronovii.=
POLEMONIACEAE, the Polemonium Family
Herbs with alternate or opposite leaves and conspicuous regular flowers;
sepals 5, united; petals 5, united and bearing the 5 stamens in the
corolla-tube; ovary superior, 3-celled.
1a. Leaves pinnately compound and alternate (2-4 dm. high; flowers blue,
in spring) =Greek Valerian, Polemonium reptans.=
1b. Leaves fascicled, narrowly linear (about 1 dm. high; flowers
pink-purple, in spring) =Moss Pink, Phlox subulata.=
1c. Leaves simple, strictly opposite --2.
2a. Corolla-lobes deeply 2-cleft to the middle (1-2 dm. high;
flowers pink, in spring) =Cleft Phlox, Phlox bifida.=
2b. Corolla-lobes entire and rounded, or somewhat notched at the
apex --3.
3a. Flowers in summer (8-15 dm. high; flowers purple)
=Garden Phlox, Phlox paniculata.=
3b. Flowers in spring (3-6 dm. high) --4.
4a. Corolla blue-purple; stems ascending
=Sweet William, Phlox divaricata.=
4b. Corolla pink or red-purple; stems erect
=Sweet William, Phlox pilosa.=
HYDROPHYLLACEAE, the Water-leaf Family
Herbs with alternate lobed or divided leaves and regular flowers; sepals
5; petals 5, united; stamens 5, attached to the corolla-tube and
projecting beyond it; ovary 1-celled.
1a. Leaves palmately veined and lobed (4-8 dm. high; flowers purple,
early summer) =Water-leaf, Hydrophyllum canadense.=
1b. Leaves pinnately veined and lobed (2-6 dm. high; flowers blue or
purple, varying to white) --2.
2a. Corolla-lobes much shorter than the corolla-tube (summer)
=Phacelia, Phacelia franklinii.=
2b. Corolla-lobes much longer than the corolla-tube (late spring
and summer) (Water-leaf) --3.
3a. Calyx with a small reflexed appendage between each pair of sepals
=Water-leaf, Hydrophyllum appendiculatum.=
3b. Calyx without appendages =Water-leaf, Hydrophyllum virginicum.=
BORAGINACEAE, the Borage Family
Herbs with alternate entire leaves; sepals 5; petals 5, united, corolla
generally regular; stamens 5, attached to the corolla-tube; ovary deeply
4-lobed with a single style.
1a. Corolla reddish-purple, about 8 mm. wide (4-10 dm. high; spring)
=Hound's Tongue, Cynoglossum officinale.=
Public-domain text, read in full here on John Shaqi.
Reviews
Reviews
No reviews yet
Be the first to share your thoughts on this work.
Elsewhere in the archive
Join the Discussion
Join the discussion
Sign in to leave a comment or review.
Sign InorCreate an account