Veronica filiformis |
Veronica catenata |
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thread-stalk speedwell |
chain speedwell |
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Habit | Mat-forming perennial, the stems 1-4 dm. long, lax, simple or branched below, loosely ascending, often rooting at the lower nodes. | Glabrous, short-lived perennial from fibrous roots, the stems usually erect, 2-10 dm. tall. |
Leaves | Principal leaves opposite, short-petiolate, the blade broadly elliptic to nearly orbicular, cordate based, with short, broad teeth, 1-2 cm. long and three-fourths or more as wide. |
Leaves opposite, sessile and clasping, elliptic-ovate to elliptic-oblong, 3-5 times as long as wide, entire. |
Flowers | Flowers single on long pedicels (up to 6 cm. in fruit) along an elongate stem, each subtended by a leaf-like, alternate bract, which are reduced upward; sepals 4, prominent, often veiny; corolla bluish-lavender, 5-11 mm. wide, rotate, 4-lobed; the upper lobe the largest; style 1.5-2.5 mm. long; stamens 2. |
Inflorescence of few-flowered racemes on long peduncles arising in the leaf axils; calyx of 4 broad, blunt sepals; corolla white to pink, rotate, 4-lobed, the upper lobe the largest, about 5 mm. wide; style 1.5-2.5 mm. long; pedicels spreading, 3-8 mm. long; stamens 2. |
Fruits | Capsule 5-9 mm. wide and 3-5 mm. high. |
swollen, 2.5-4 mm. high and a little wider, shallowly notched. |
Veronica filiformis |
Veronica catenata |
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Flowering time | April-June | June-August |
Habitat | Weed of lawns and gardens | Slow-moving streams and ditches. |
Distribution | Occurring west of the Cascades crest in Washington; British Columbia to California, east to Montana, also in eastern North America.
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Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east across most of North America to the Atlantic Coast.
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Origin | Introduced from Eurasia | Native |
Conservation status | Not of concern | Not of concern |
Sibling taxa | ||
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