Flora of North America species comparison

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Collinsia parviflora

blue-eyed Mary, collinsia, few flower blue eyed Mary, maiden blue eyed Mary, small-flower blue-eyed-Mary, small-flower collinsia
Habit Annuals 3–40 cm.
Stems

erect to ascending.
Leaf

blades ± linear-lanceolate, obovate, or narrowly elliptic, margins subentire.
Inflorescences

glabrous or sparsely and finely glandular;

proximal nodes 1-flowered, distals 3–5(–7)-flowered;

flowers not crowded proximally, sometimes crowded distally;

distalmost bracts linear, 5–6 mm.
Pedicels

ascending to reflexed, longer than calyx, visible.
Flowers

calyx lobes ± deltate, equal to capsule, apex sharply acute to acuminate;

corolla blue, banner whitish or blue-tipped, 4–8 mm, glabrous;

banner length 0.8–1 times wings, lobe base without folds;

banner lobes and wings blue, sometimes purplish, oblong, 1(–3) mm wide;

throat barely angled to tube, tube and throat white, narrowed to lips, pouch angular, ± hidden by calyx;

stamens: filaments glabrous, basal spur 0.
Seeds

(3 or)4, oblong, 2–2.5 mm, margins thickened, inrolled.
2n

= 14, 28, 42.

Collinsia parviflora
Phenology Flowering Mar–Jul.
Habitat Forests, grasslands, meadows, eroded banks, bedrock depressions, scree slopes, shrublands, shaded shorelines.
Elevation 0–3500 m. (0–11500 ft.)
Distribution
from FNA
AK; AZ; CA; CO; ID; MA; MI; MT; ND; NE; NM; NV; OR; PA; SD; UT; VT; WA; WY; AB; BC; MB; NS; ON; SK; YT
[WildflowerSearch map]
[BONAP county map]
Discussion

Collinsia parviflora is the closest relative of C. grandiflora and is primarily a plant of moist montane habitats with well-drained, rocky or sandy soil. However, it occurs in a wide range of habitats across its entire range. The species is also the most widespread taxon within Collinsia. Some plants from the western coastal ranges may be difficult to separate from C. grandiflora.

Collinsia parviflora is frequently confused with C. wrightii. The corollas of C. wrightii are distinctly purplish; those of C. parviflora are bright blue. The acute to acuminate sepals of C. parviflora contrast with the blunt, rounded tips of sepals of C. wrightii.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 66.
Parent taxa Plantaginaceae > Collinsia
Sibling taxa
C. antonina, C. bartsiifolia, C. callosa, C. childii, C. concolor, C. corymbosa, C. grandiflora, C. greenei, C. heterophylla, C. latifolia, C. linearis, C. multicolor, C. parryi, C. rattanii, C. sparsiflora, C. tinctoria, C. torreyi, C. verna, C. violacea, C. wrightii
Synonyms C. grandiflora var. pusilla
Name authority Lindley: Bot. Reg. 13: plate 1082. (1827)
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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