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
8b. Branches brownish; fruit white =Dogwood, Cornus baileyi.=
9a. Branches bright red or reddish-purple
=Dogwood, Cornus stolonifera.=
9b. Branches grayish =Dogwood, Cornus paniculata.=
ERICACEAE, the Heath Family
Herbs or shrubs, frequently with evergreen leaves; sepals 4-5; corolla
regular, with 4-5 petals; stamens as many or twice as many; ovary
3-10-celled, with 1 style.
1a. Plants without green color; leafless or with scale leaves only --2.
1b. Plants with green leaves --4.
2a. Flowers solitary (1-2 dm. high; summer)
=Indian Pipe, Monotropa uniflora.=
2b. Flowers in clusters --3.
3a. Petals united into a bell-shape corolla (3-9 dm. high; summer)
=Pine Drops, Pterospora andromedea.=
3b. Petals all separate (1-3 dm. high; summer)
=Beech Drops, Monotropa hypopitys.=
4a. Leaves all basal; herbaceous plants with terminal racemes (1-4
dm. high; summer) (Shin-leaf) --5.
4b. Stem-leaves present --12.
5a. Style straight --6.
5b. Style bent near the apex --8.
6a. Racemes one-sided, the flowers all turned in one direction
(flowers white or greenish-white) --7.
6b. Raceme regular, the flowers not all pointing in the same
direction (flowers white or pink) =Shin-leaf, Pyrola minor.=
7a. Flowers numerous in each raceme =Shin-leaf, Pyrola secunda.=
7b. Flowers only 3-7 in each raceme
=Shin-leaf, Pyrola seconda var. obtusata.=
8a. Flowers pink or purple --9.
8b. Flowers white or greenish --10.
9a. Leaves cordate at base =Shin-leaf, Pyrola asarifolia.=
9b. Leaves rounded at base, not cordate
=Shin-leaf, Pyrola asarifolia var. incarnata.=
10a. Leaves shining on the upper side; sepals one-third as long as
the petals =Shin-leaf, Pyrola americana.=
10b. Leaves dull on the upper side; sepals one-fourth as long as
the petals, or a little shorter --11.
11a. Leaf-blades mostly shorter than their petioles, thick and firm
=Shin-leaf, Pyrola chlorantha.=
11b. Leaf-blades thin, usually longer than their petioles
=Shin-leaf, Pyrola elliptica.=
12a. Petals nearly or quite separate from each other --13.
12b. Petals united into a gamopetalous corolla, the tube of which
is as long as or longer than the lobes --18.
13a. Leaves opposite or whorled; stems herbaceous or nearly so (summer)
--14.
13b. Leaves alternate; stems shrubby (early summer) --16.
14a. Flowers solitary; leaves broadly ovate to nearly circular
(1 dm. high; flower white)
=One-flowered Wintergreen, Moneses uniflora.=
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