Cicendia quadrangularis

(Dombey ex Lamarck) Grisebach

Gen. Sp. Gent., 157. 1838.

Common names: Timwort American or square cicendia tiny yellow gentian
Illustrated
Basionym: Gentiana quadrangularis Dombey ex Lamarck in J. Lamarck et al. Encycl. 2: 645. 1788
Synonyms: Microcala quadrangularis (Dombey ex Lamarck) Grisebach
Treatment appears in FNA Volume 14.

Herbs 1–9 cm. Stem 1, branch­ing at various levels in larger plants. Leaves basal often with­ered at flowering time, cauline spreading; basal blades spatulate-obovate to oblance­olate or elliptic-oblong, 3–15 × 1–3 mm; cauline blades narrowly elliptic-oblong to oblanceolate, 3.5–7 × 0.5–2 mm, base connate-sheathing 0.5 mm, apex obtuse to sub­acute. Inflorescences 1–5-flowered; pedicels 3–60 mm. Flowers: calyx hemispheric, 2–7 mm, much exceeding corolla tube in diam., outer lobes proximally rhombic, distal portion triangular, apex acute, inner lobes proxi­mally oblong, distal portion with strongly invaginated flanges, abruptly narrowed into ovate-triangular, cucul­late, acuminate apex; corolla 3–10 mm, lobes ovate-triangular to ovate-elliptic, 1–4 mm, apex rounded or abruptly acute. 2n = 26.


Phenology: Flowering spring–early summer.
Habitat: Grassy places, edges of vernal pools, other open habitats.
Elevation: 0–2700 m.

Distribution

Calif., Oreg., South America, introduced in Australia.

Discussion

In the latter part of the life of the flower, the stamens of Cicendia quadrangularis arch over toward the stig­mas, permitting self-pollination if outbreeding has not already occurred. The corollas close at night and in cloudy weather.

Selected References

None.

Lower Taxa

None.
... more about "Cicendia quadrangularis"
James S. Pringle +
(Dombey ex Lamarck) Grisebach +
Gentiana quadrangularis +
Timwort +, American or square cicendia +  and tiny yellow gentian +
Calif. +, Oreg. +, South America +  and introduced in Australia. +
0–2700 m. +
Grassy places, edges of vernal pools, other open habitats. +
Flowering spring–early summer. +
Gen. Sp. Gent., +
Illustrated +
Microcala quadrangularis +
Cicendia quadrangularis +
Cicendia +
species +