Classification
 Nomenclature
Scientific Name:
Dipogon lignosus (L.) Verdc.
Vernacular Name(s):
Dolichos pea; Mile a minute; mile-a-minute
 Description

Stem moderately hairy, particularly in upper parts, glabrous and woody toward base. Lvs ± glabrous or sparsely hairy; leaflets deltoid to ovate-deltoid, acute to acuminate, entire, 25–55 mm long; stipules ovate-triangular, usually reflexed, (2)–4–7 mm long; stipels lanceolate, 2–5 mm long. Infl. > lvs, c. 5–20-flowered, with many bracteoles; pedicels < fls. Calyx ± glabrous, but teeth ciliate; calyx teeth < tube, broadly ovate-triangular. Corolla white, or lavender and white, or pink to reddish purple, 10–15 mm long; keel curved through 90°. Pod glabrous, boat-shaped and slightly curved, 3–5-seeded, (25)–30–40–(45) mm long; seeds brown, oblong-ellipsoid, c. 4 mm long.

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

 Biostatus
Exotic
 Phenology

Flowering: Jul.–Jan.

 Bibliography
Biosecurity New Zealand 2012: Regional Pest Management Strategies Database. http://www.biosecurityperformance.maf.govt.nz/
Biosecurity New Zealand 4 Aug 2011: Unwanted Organisms Register. http://www.biosecurity.govt.nz/pests/registers/uor
Biosecurity New Zealand 2008: National Plant Pest Accord. MAF Biosecurity New Zealand, Wellington.
Howell, C. 2008: Consolidated list of environmental weeds in New Zealand. DOC Research & Development Series 292: 42.
Ministry for Primary Industries 23 Feb 2017: Unwanted Organisms Register. Version 02.01.02. https://www1.maf.govt.nz/uor