Reynoutria Houtt.

Details

Name scientific

Reynoutria Houtt. (1777)

Preferred name

Reynoutria Houtt.

Taxonomy reference

Mabberley, D.J. 2017: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 4. Cambridge University Press.

Linked name

Reynoutria Houtt. 1777

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Exotic

Wild

New Zealand

Political Region

Nomenclature

Authors

Houtt.

Original authors

Houtt.

Year published

1777

Nomenclatural code

ICN

Basionym

Reynoutria Houtt.

Type taxon

Reynoutria japonica Houtt.

Taxonomic rank

genus

Canonical form

Reynoutria

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Caryophyllales

Family

Polygonaceae

Genus

Reynoutria

Subordinates

Descriptions

Webb, C.J.; Sykes, W.R.; Garnock-Jones, P.J. 1988: Flora of New Zealand. Vol. IV. Naturalised Pteridophytes, Gymnosperms, Dicotyledons. Botany Division DSIR, Christchurch.

Reynoutria Houtt.

Description

Large dioecious perennial herbs with stout stems, often forming clumps or thickets, with ± woody rhizomes; nodes jointed; ochreae large. Lvs cauline, broadly ovate to oblong, large; base usually truncate to cordate. Fls in axillary panicles, with rudiments of opposite sex. Perianth segments 5, accrescent, ± white, free, subequal, the outer 3 keeled and becoming winged. Stamens 8. Styles rather short, 2-3; stigmas lobed and ± fimbriate. Fr. a trigonous nut with obtuse or acute angles, spineless.