Classification
Class
Magnoliopsida Brongn.
Order
Caryophyllales Juss. ex Bercht. & J.Presl
Family
Caryophyllaceae
Genus
Cerastium L.
 Nomenclature
Scientific Name:
Cerastium glomeratum Thuill., Fl. Env. Paris, ed. 2, 226 (1799)
Synonymy:
  • = Cerastium viscosum L., Sp. Pl. 437-438 (1753)
Vernacular Name(s):
Annual mouse-ear chickweed; Mouse-ear chickweed
 Description

Annual, with all branches reproductive. Stems erect or ascending, (5)–10- 30–(50) cm tall, with spreading eglandular and shorter glandular hairs. Lvs elliptic to broadly obovate-spathulate, (5)–10–25–(30) × (2)–5–10–(15) mm, the lower narrowed gradually to base; hairs eglandular. Infl. compact; peduncles elongating at fruiting but pedicels always = or < calyx; peduncles and pedicels densely hairy with long eglandular and shorter glandular hairs. Bracts elliptic to obovate, always herbaceous, with dense glandular and eglandular hairs. Sepals (3.5)–4–5–(6) mm long, with narrow scarious margins, and glandular and long eglandular hairs overtopping apex. Petals slightly > or = sepals. Styles 0.5–0.8 mm long. Capsule cylindric, 2× length of calyx. Seeds 0.3–0.5 mm long, tuberculate.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

 Biostatus
Exotic
 Phenology

Flowering: Sep.–Nov.–(Jul.); Fruiting: Sep.–Nov.–(Jul.)

 Bibliography
Linnaeus, C. 1753: Species Plantarum. Impensis Laurentii Salvii, Stockholm.
Thuillier, J.L. 1799: Flore des Environs de Paris, ou Distribution Methodique des Plantes. Edition 2. Paris.