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broad-leaf starflower, northern starflower, starflower, western starflower

maystar, northern starflower, starflower, trientale boréale

Stems

10–25 cm.

4–20 cm.

Leaves

mostly whorled at stem apex, some alternate on proximal stem;

blades of distal leaves elliptic to suborbiculate, (2.4–)4–11 cm × 15–55 mm (narrower in some plants along Vancouver Island and Washington coast), widest ± at midlength (proximal leaves abruptly much smaller, 0.1–0.5 cm × 0.7–1.3 mm, ± scalelike), apex rounded to acute.

mostly whorled at stem apex, some alternate on proximal stem;

blades of distal leaves lanceolate to lanceolate-elliptic, 2.5–10(–12) cm × 6–45 mm, widest at midlength, (proximal leaves abruptly much smaller, 0.1–0.6 cm × 0.3–1.5 mm, ± scalelike), apex acute to acuminate.

Pedicels

1–5, 2.9–4.6 cm, shorter than to equaling leaves (sometimes longer in fruit), glabrous or sparsely glandular.

1–3(–5), 1.5–4 cm, shorter than leaves, usually sparsely stipitate-glandular.

Flowers

corolla pink, rose, or pinkish lavender, 4.5–8.8 mm, lobes ovate to lanceolate, apex acuminate or abruptly acute.

corolla white, 5.5–8(–10) mm, lobes ovate to narrowly lanceolate, apex acute to acuminate.

2n

= 96.

Trientalis latifolia

Trientalis borealis

Phenology Flowering summer. Flowering summer.
Habitat Moist coniferous forests, stream banks, ocean cliffs Moist to wet coniferous forest, open heath lands, mature northern hardwood forests
Elevation 0-1500 m (0-4900 ft) 30-1100 m (100-3600 ft)
Distribution
from FNA
CA; ID; OR; WA; BC; YT
[WildflowerSearch map]
from FNA
CT; IL; IN; KY; MA; MD; ME; MI; MN; NC; NH; NJ; NY; OH; PA; RI; TN; VA; VT; WI; WV; AB; MB; NB; NL; NS; ON; PE; QC; SK; SPM
Discussion

In British Columbia, Trientalis latifolia is known from scattered populations along the coast and the American border. Specimens from a disjunct population in central Yukon (E. Hultén 1968; W. J. Cody 1996) were not examined.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 8, p. 305. FNA vol. 8, p. 304.
Parent taxa Myrsinaceae > Trientalis Myrsinaceae > Trientalis
Sibling taxa
T. borealis, T. europaea
T. europaea, T. latifolia
Synonyms Alsinanthemum europaeum var. latifolium, T. borealis subsp. latifolia, T. europaea var. latifolia T. americana, T. borealis var. tenuifolia
Name authority Hooker: Fl. Bor.-Amer. 2: 121. 1838 , Rafinesque: Med. Repos., hexade 2, 5: 354. 1808 ,
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