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Ranunculaceae
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Delphinium tricorne
Dwarf Larkspur:
dolphin shaped, opposite 5-sepaled flowers for bees, upper sepal
spurred:
4 petals, upper petals spurred into spurred sepal; bloom bottom-up, becoming smaller.
3-part seedpod: tips curl up when dry like a horn:
tricorne.
Toxic alkaloids, can kill cattle.
Tuberous root.
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Ranunculaceae
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Ranunculus abortivus
Small Flowered Buttercup
(Kidney-Leaf Crowfoot):
kidney-shaped basal rossette, cauline leaves sessile to short petiolate, 3-lobed like crow's foot.
Biennial, 5 shiny yellow petals, numerous yellow stamens.
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Berberidaceae
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Caulophyllum thalictroides
Blue Cohosh:
triternately compound stemless leaf: whitish bloom, leaflets like Meadow Rue;
6 green sepals, 6 reduced petals.
2 enlarging seeds burst ovary, seed coats turn fleshy, blue,
simulating 1-seeded berry!
Alkaloids in seeds,
crooked rootstock covered with matted roots.
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Limnanthaceae (Meadow-foam)
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Floerkea proserpinacoides
False Mermaid:
Weak, succulent hairy stem, 5 slender pinnate leaflets.
Bell-shaped flowers nod on short thin stalks in axils, 3 tiny white petals 3 larger green hairy sepals.
Globular, fleshy greenish fruits.
Shade tolerant: can grow under maples.
Threatened in MN,
endangered in CT.
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Rubiaceae (Bedstraw)
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Houstonia caerulea
Bluets:
acidic soil, basal rosette of 5 lobes, smaller paired stem leaves.
4 petals pale blue to white, yellow eye.
2 forms:
tall stamen/short style; short stamen/tall style, prevent self-fertilization.
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