Maianthemum dilatatum

Maianthemum dilatatum (Alph. Wood) A. Nelson & J.F. Macbr.:
China (Asia)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.

Maianthemum bifolium var. kamtschaticum (S.G. Gmel.) Jeps.:
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.

B.C., Yukon; Alaska, Calif., Idaho, Oreg., Wash.; Asia (Kamtchatka peninsula in e Russia to Japan).

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

Plants terrestrial, 20–45 cm. Rhizomes sympodial, proliferatively branching, units 8–20 cm × 1–1.5 mm, roots restricted to nodes. Stems erect, 1.5–3.5 dm × 2–4 mm. Leaves solitary on sterile shoots, 2–3 on fertile shoots, petiolate; blade cordate, 6–10 × 5–8 cm; base lobed, with deep sinus; apex sharply acute; proximal leaves short-petiolate, blade triangular to cordate, petiole 4–7 cm; distal leaves petiolate, blade deeply cordate, petiole 7–10 cm. Inflorescences racemose, complex, 15–40-flowered. Flowers (1–)3(–4) per node, 2-merous; tepals conspicuous, 2–3.2 × 1.5 mm; filaments 1.5 mm; anthers 0.2–0.4 mm; ovary globose, 0.8–1 mm wide; style 0.4–0.5 mm; stigma distinctly 2-lobed; pedicel 3–5 × 0.2–0.4 mm. Berries green mottled with red when young, maturing to deep translucent red, globose, 4–6 mm diam. Seeds 1–2, globose, 2–3 mm. 2n = 36.

Maianthemum bifolium (Linnaeus) F. W. Schmidt var. dilatatum Alph. Wood, Proc. Acad. Nat. Sci. Philadelphia 20: 174. 1868 (as Majanthemum); M. bifolium var. kamtschaticum (J. F. Gmelin) Jepson; M. kamtschaticum (J. F. Gmelin) Nakai; Unifolium dilatatum (Alph. Wood) Greene; U. kamtschaticum (J. F. Gmelin) Gorman

Abundant in coniferous and deciduous forests, especially in forest margins; 0--800m.

Flowering early spring.

The following is a representative barcode sequence, the centroid of all available sequences for this species.

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 16
Specimens with Barcodes: 26
Species With Barcodes: 1

Rounded Global Status Rank: G5 - Secure

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: NNR - Unranked