Convolvulus arvensis
Common names
convolvulus
Biostatus
Exotic
Category
Vascular
Structural class
Herbs - Dicotyledons other than Composites
Flower colours
Red/Pink, White
Detailed description
Rhizomatous perennial with slender, creeping or trailing, angular, usu. hairy stems. Petioles 5~20mm long. Lamina 2~4 x 1~2cm, triangular or oblong-ovate (v. rarely linear), hastate or sagittate, entire except often for pair of teeth near base, usually glabrous or sparsely hairy (rarely moderately hairy), often glaucous; sinus shallow or base approx. truncate; apex rounded and mucronulate. Infl. axillary, few-flowered; peduncles often as or slightly more frequent than leaves; pedicels slender, glabrous. Bracts 2~4mm long, hairy & linear, more than 1cm below calyx. Sepals about 4mm long, obtuse, outer ciliate often hairy, subequal. Corolla 1.5~2cm long, broadly funnelform, pink or whitish with deep pink mid-petaline bands, very rarely completely white. Stamens subequal; filaments widened and puberulent towards base. Stigmas filiform, much less than style. Capsule 6~8mm long, globose ovoid. Seed dark & smooth. (Webb et. al., 1988)
Similar taxa
Stems and leaves are usually somewhat hairy, leaves dull green. Flowers sometimes singly but sometimes in groups. Small, linear, hairy bracts about 1cm below the sepals. Flowers up to 2cm long, usually somewhat pinkish.
Habitat
Terrestrial. Mostly waste places and arable fields.
Conservation status
Not applicable
Detailed taxonomy
Family
Ecology
Flowering
November, December, January, February, March
Year naturalised
1880
Origin
N temperate
Reason for introduction
Accidental
Life cycle and dispersal
Perennial. Appears to be dispersed by soil movement.
Other information
Etymology
convolvulus: From Latin convolvere, which means to twine around
arvensis: Growing in arable fields
NVS code
The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.
CONARV