Flora of North America species comparison

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Collinsia corymbosa

round-head Chinese-houses
Habit Annuals 5–25 cm.
Stems

decumbent.
Leaf

blades lanceolate to ovate, margins crenate, abaxial surface glabrous, adaxial subglabrous or finely gray-hairy.
Inflorescences

sparsely and finely glandular;

whorl 1 per branch;

nodes (1–)3–10-flowered;

flowers crowded;

distalmost bracts ovate, 5–9 mm.
Pedicels

ascending to spreading, shorter than calyx, not or scarcely visible.
Flowers

calyx lobes oblong to ovate, surpassing capsule, apex rounded;

corolla usually whitish, 14–22 mm, wings sparsely and finely glandular, not hairy;

banner length 0.1–0.3(–0.4) times wings, lobe base without folds, reflexed portion 1 mm, shorter than basal portion, brownish, not red-banded;

stamens: filaments hairy, basal spur 0.
Seeds

8–16, oblong to oval, 2–2.5 mm, margins thickened, inrolled.
2n

= 14.

Collinsia corymbosa
Phenology Flowering Apr–Jun.
Habitat Coastal sand dunes.
Elevation 0–20 m. (0–100 ft.)
Distribution
from FNA
CA
[BONAP county map]
Discussion

Collinsia corymbosa is known from Mendocino County. Specimens from other sites identified as C. corymbosa are C. bartsiifolia var. hirsuta. A phylogenetic study using DNA showed evidence of a close relationship between C. corymbosa and C. bartsiifolia (B. G. Baldwin et al. 2011).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 71.
Parent taxa Plantaginaceae > Collinsia
Sibling taxa
C. antonina, C. bartsiifolia, C. callosa, C. childii, C. concolor, C. grandiflora, C. greenei, C. heterophylla, C. latifolia, C. linearis, C. multicolor, C. parryi, C. parviflora, C. rattanii, C. sparsiflora, C. tinctoria, C. torreyi, C. verna, C. violacea, C. wrightii
Name authority Herder: Gartenflora 1868: 33, plate 568. (1868): Inde× Seminum (St. Petersburg) 1866: 32. (1868)
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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