Canadian honewort (Cryptotaenia canadensis)
Description
This herbaceous perennial plant is 1-3' tall; it is unbranched toward the base, but branches occasionally in the upper half. The light green stems are glabrous and occasionally glaucous; they are slightly wider and angular at the bases of petioles. The compound leaves are trifoliate. The lower compound leaves have long petioles, while the upper compound leaves are sessile, or nearly so. Elongated membranous sheaths can be found at the bases of petioles. The leaflets of the compound leaves are up to 4" long and 2" across, becoming smaller as they ascend the stems. Individual leaflets are ovate, elliptic or lanceolate in shape, doubly serrated along their margins, and glabrous. Some of the lower leaflets may be shallowly to deeply cleft along their margins, forming 1-2 lobes. The leaflets are rounded or wedged-shaped at their bases, where they have winged petiolules (basal stalklets). The upper surface of leaflets is medium to dark green.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Apiales
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Family: Apiaceae
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Genus: Cryptotaenia
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