Flora of North America species comparison

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Trientalis borealis

maystar, northern starflower, starflower, trientale boréale
Stems

4–20 cm.
Leaves

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

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

corolla white, 5.5–8(–10) mm, lobes ovate to narrowly lanceolate, apex acute to acuminate.
2n

= 96.

Trientalis borealis
Phenology Flowering summer.
Habitat Moist to wet coniferous forest, open heath lands, mature northern hardwood forests
Elevation 30-1100 m (100-3600 ft)
Distribution
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
Source FNA vol. 8, p. 304.
Parent taxa Myrsinaceae > Trientalis
Sibling taxa
T. europaea, T. latifolia
Synonyms T. americana, T. borealis var. tenuifolia
Name authority Rafinesque: Med. Repos., hexade 2, 5: 354. 1808 ,
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

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