Epilobium crassum Hook.f.

Caption:

Details

Name scientific

Epilobium crassum Hook.f., Bot. Antarct. Voy. II (Fl. Nov.-Zel.) Part II, 328 (1855)

Preferred name

Epilobium crassum Hook.f.

Taxonomy reference

Raven, P.H.; Raven, T. E. 1976: The Genus Epilobium (Onagraceae) in Australasia: a Systematic and Evolutionary Study. New Zealand Department of Scientific and Industrial Research Bulletin 216: 1–321.

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Indigenous, non-endemic

Wild

New Zealand

Political Region

Nomenclature

Authors

Hook.f.

Original authors

Hook.f.

Publication place

Hooker, J.D. 1854–1855: The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror, in the years 1839–1843, under the command of Captain Sir James Clark Ross. II. Flora Novae-Zelandiae. Part II. Flowerless plants. Lovell Reeve, London.

Year published

1855

Publication page

328

Nomenclatural code

ICN

Basionym

Epilobium crassum Hook.f.

Taxonomic rank

species

Canonical form

Epilobium crassum

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Myrtales

Family

Onagraceae

Genus

Epilobium

Species

crassum

Vernacular names

Language of use: English

Thick-leaved willowherb

Synonyms

Epilobium antipodum Petrie

Descriptions

Allan, H.H. 1961: Flora of New Zealand. Vol. I. Indigenous Tracheophyta: Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledones. Government Printer, Wellington.

Epilobium crassum Hook.f.

Description

Stock woody; stems woody at base, creeping, rooting at nodes, stout, ±fleshy in apical region, 5-15 cm. long; branches densely lfy, ascending at tips, glab. Lvs opp., crowded, on broad petioles up to ± 15 mm. long. Lamina obovate- to spathulate-oblong, (20)-30-35-(40) × 9-14 mm., coriac., thick and fleshy, glab.; margins ± thickened, sub-entire to remotely, obscurely denticulate. Fls 8-10 mm. diam.; calyx about half length petals, lobes lanceolate to ovate-lanceolate; petals rose or white, ± 9 mm. long, bifid to ⅓ way to base. Capsules glab., rather stout, 35-50-(60) mm. long; peduncles rather stout, 40-60 mm. long, rigid. Seeds minutely papillose.

Dawson, M.I. 2008: Index of chromosome numbers of indigenous New Zealand vascular plants.

Epilobium crassum Hook.f.

Description

2n = 36

Description

n = 18

Description

n = 18

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.

Epilobium crassum Hook.f.

Description

Robust, creeping, glabrous herb with stems to 10 cm long, occasionally branching and forming long, underground whitish rhizomes after flowering. Petioles winged. Lamina of lf oblanceolate to narrowly obovate, 1.2-4 × 0.5-1.4 cm. Floral tube 1.4-2.2 mm deep, glabrous. Petals white with pinkish veins, flushed pink after pollination, 5.1-7.5 × 2.7-5.2 mm. Capsule glabrous, 3.6-7.5 cm long; fruiting pedicel 3-8 cm long.