Flora of North America species comparison

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Synthyris ritteriana

Ritters' kittentail
Leaves

strictly annual, disintegrating in 1st year;

blade broadly elliptic to lanceolate, 25+ mm wide, leathery, base truncate to tapered, margins crenate, teeth apices acute to rounded, surfaces hairy;

basal veins extending through proximal 1/2 of blade, lateral veins 5–12 on each side of midvein.
Racemes

erect, to 40 cm in fruit;

sterile bracts 10–40, ovate-spatulate, largest 1+ cm;

flowers 100+, densely aggregated (separating in fruit).
Stamens

inserted on receptacle, but abaxial and adaxial petal lips basally adnate to stamens.
Ovaries

glabrous or sparsely hairy at apex;

ovules 17–40.
Capsules

glabrous.
Sepals

4.
Petals

3(or 4), apex entire or erose;

corolla yellow, bilabiate, ellipsoid, longer than calyx, puberulent on margins, lateral and abaxial petals of abaxial lip connate 1/2+ their lengths, abaxial and adaxial petal lips basally adnate to stamens, tube absent.

Synthyris ritteriana
Phenology Flowering May–Aug; fruiting Jun–Oct.
Habitat Moist subalpine or alpine meadows.
Elevation 2100–3800 m. (6900–12500 ft.)
Distribution
from FNA
CO
Discussion

Synthyris ritteriana is known from the San Juan and La Plata mountains, and adjacent areas of Gunnison and Montrose counties on San Juan and Hansen tuffs.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 303.
Parent taxa Plantaginaceae > Synthyris
Sibling taxa
S. alpina, S. borealis, 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. rubra, S. schizantha, S. wyomingensis
Synonyms Besseya ritteriana, Veronica ritteriana
Name authority Eastwood: Proc. Calif. Acad. Sci., ser. 3, 1: 123, plate 9, fig. 2. (1898)
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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