Flora of North America species comparison

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Synthyris borealis

northern kittentail
Leaves

persistent, some withering in 2d year as new leaves expand;

blade ovate to cordate, 25+ mm wide, not leathery, base lobate, margins laciniate, teeth apices rounded, surfaces villous, hairs prominent on margins;

basal veins extending into distal 1/2 of blade, lateral veins 2–4 on each side of midvein.
Racemes

erect, to 15 cm in fruit;

sterile bracts 3+, ovate-spatulate, largest 1+ cm;

flowers 15–50, loosely aggregated.
Stamens

epipetalous.
Ovaries

ovules 10–16.
Capsules

hairy.
Sepals

4.
Petals

(3 or)4(or 5), apex entire or erose;

corolla blue, ± regular, campanulate, much longer than calyx, glabrous, tube conspicuous.
2n

= 24.

Synthyris borealis
Phenology Flowering May–Jul; fruiting May–Sep.
Habitat Tundra heaths, fellfields, talus slopes.
Elevation 200–2500 m. (700–8200 ft.)
Distribution
from FNA
AK; NT; YT
[BONAP county map]
Discussion

Synthyris borealis is distributed primarily in unglaciated portions of the Northwest Territories, Yukon, and Alaska.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 299.
Parent taxa Plantaginaceae > Synthyris
Sibling taxa
S. alpina, S. bullii, S. canbyi, S. cordata, S. dissecta, S. laciniata, S. lanuginosa, S. missurica, S. oblongifolia, S. pinnatifida, S. plantaginea, S. platycarpa, S. ranunculina, S. reniformis, S. ritteriana, S. rubra, S. schizantha, S. wyomingensis
Synonyms Veronica alaskensis
Name authority Pennell: Proc. Acad. Nat. Sci. Philadelphia 85: 88, fig. 1. (1933)
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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