Asperula perpusilla Hook.f.

Caption:

Details

Name scientific

Asperula perpusilla Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 114 (1853)

Preferred name

Asperula perpusilla Hook.f.

Taxonomy reference

Ehrendorfer, F.; Barfuss, M.H.; Manen, J.F.; Schneeweiss, G.M. 2018: Phylogeny, character evolution and spatiotemporal diversification of the species-rich and world-wide distributed tribe Rubieae (Rubiaceae). PLOS ONE 13(12): p.e0207615.

Linked name

Asperula perpusilla Hook.f. 1853

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Endemic

Wild

New Zealand

Political Region

Nomenclature

Original authors

Hook.f.

Authors

Hook.f.

Publication place

Hooker, J.D. 1852–1853 ("1853"): 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 I. Flowering plants. Lovell Reeve, London.

Year published

1853

Publication page

114

Nomenclatural code

ICN

Basionym

Asperula perpusilla Hook.f.

Taxonomic rank

species

Canonical form

Asperula perpusilla

Classification

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Gentianales

Family

Rubiaceae

Genus

Asperula

Species

perpusilla

Vernacular names

Language of use: English

Dwarf bedstraw

Synonyms

Descriptions

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

Galium perpusillum (Hook.f.) Allan

Description

Prostrate to ascending perennial with weak glab. very slender stems and branches; branchlets filiform, occ. bearing a few hairs. Lvs and stipules forming rather close-set to rather distant whorls of 4, sts subimbricating, erect or ascending on filiform petioles c. 0·5 mm. long. Lamina ± 1·5-3-(5) × 1-3 mm., linear- to elliptic-lanceolate to linear-oblanceolate, sts ± arcuate, tapering to acute or acuminate apex, sts apiculate, more often awned; margins us. ciliolate. Fls c. 2 mm. diam., axillary and terminal, solitary, often unisexual; ♂ us. on filiform peduncles 1-1·5 mm. long, ♀ sessile. Corolla-tube 0·5-1-(1·5) mm. long, lobes linear-oblong, obtuse, us. > tube. Style branched near apex, stigma capitate. Fr. up to 4 mm. diam., of 2 obscurely granulate cocci.

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

Galium perpusillum (Hook.f.) Allan

Description

n = c. 44

Description

2n = 88

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.

Galium perpusillum (Hook.f.) Allan

Description

Perennial, sometimes cushion-forming; stems slender, prostrate, decumbent or erect, angular, glabrous or slightly hairy, < 10-(12) cm long. Lvs and stipules in whorls of 4, sessile, rather close and often imbricate, sessile or subsessile; lamina 1.3-4-(5) × 0.5-1-(1.3) mm, narrowly lanceolate, linear-lanceolate, oblanceolate or narrowly elliptic, ± shining above, usually glabrous except for the often ciliolate margins and sometimes sparsely ciliolate midrib; apex usually mucronate to cuspidate. Fls axillary and terminal, solitary, generally unisexual. ♂ fls on pedicels to c. 3 mm long; ♀ fls subsessile or sessile; bracts 0. Corolla whitish or creamy yellow; tube 0.3-1-(1.5) mm long; limb (1.5)-2-3.5 mm diam.; lobes ± oblong, acute or subacute. Mericarps c. 2 mm diam., globose, glabrous, papillate.

Taxonomic concepts

Name

Cited name

Reference

Preferred name

Parent name

Asperula perpusilla Hook.f.

Asperula perpusilla Hook.f.

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