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Volume IV (1988) - Flora of New Zealand Naturalised Pteridophytes, Gymnosperms, Dicotyledons
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Anagallis arvensis L.

*A. arvensis L., Sp. Pl.  148  (1753)

pimpernel

Annual; stems trailing or prostrate, (2)-5-40 cm long, sometimes mat-forming. Lvs sessile, (2)-5-25 × (1.5)-3-18 mm, ovate, elliptic, or elliptic-ovate, sometimes very broad-ovate, often indistinctly dotted with sessile black glands beneath; base rounded or subcordate; apex ± obtuse. Fls solitary; pedicels (0.5)-1-2 cm long. Calyx (3)-3.5-4.5 mm long; lobes lanceolate, acuminate; margins scarious. Corolla (2)-6-15 mm diam., orange, orange-red or deep blue, conspicuous; lobes c. 3-7 mm long, elliptic or obovate, entire or slightly crenulate with numerous minute red to black-tipped glandular hairs on margin. Stamens c. (1)-2 mm long; filaments much > anthers, ± purple except for white-hairy dilated base. Capsule (2.5)-3-5 mm diam., ± = calyx; style persistent. Seed 0.7- c. 1.4 mm long, reticulate, flattened on 1 side, convex and keeled on the other.

Key

1
Stems nearly always 5-40 cm long; lvs (5)-7-25 × (3)-5-18 mm; corolla 6-15 mm diam.; capsule 3-5 mm diam.
* subsp. arvensis
A
Corolla orange or orange-red, often purple at base; margin entire or slightly crenulate
* var arvensis
Corolla blue; margin distinctly crenulate
* var coerulea
Stems 2-10 cm long; lvs 2-10 × 1.5-8 mm; corolla c. 2-3 mm diam.; capsule c. 2.5 mm diam.
* subsp parviflora

FL Jan-Dec.

Poisonous (Connor 1977).

N.Z. material can be assigned to 2 subspp. and to 2 vars of one of these.

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