We value your privacy

We use cookies and other technologies to enhance your experience, analyse site usage, help with reporting, and assist in other ways to improve the website. You can choose to allow cookies and other technologies or decline. Your choice will not affect site functionality.

Click for help
Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
Copy a link to this page Cite this record

Wahlenbergia Schrad. ex Roth

WAHLENBERGIA Schrad., 1814

Fls us. solitary; calyx (3)-5-(7)-lobed; corolla us. campanulate, regular, lobes as for calyx, valvate. Stamens free from corolla; filaments ± dilated at base. Ovary 2-5-loculed, ovules ∞, style cylindric, stigma 2-5-fid. Capsule apically loculicidally dehiscent. Perennial to annual herbs, of wide distribution, especially in southern hemisphere, with some 120 spp.

Key

1
Lvs all uniformly linear
2
Lvs spathulate to lanceolate
3
2
Plant taprooted, tall and branching; fls 2-3 cm. diam
1. matthewsii
Plant with well-developed rhizomes; fls c. 1·5 cm. diam.
8. brockiei
3
Plant taprooted; lvs scattered on branched stems
4
Plant with rhizomes; lvs us. rosulate, sts scattered on elongate stems
6
4
Calyx, stem, lvs clad in short bristly hairs; fls 2-3 cm. diam., deep blue with deeply campanulate corolla-tube
4. trichogyna
Calyx and upper stem glab.; fls smaller or not blue, with very short corolla-tube
5
5
Fls > 10 mm. diam., plant up to 45 cm. tall
2. gracilis
Fls 5-8 mm. diam., plant 3-15 cm. tall
3. colensoi
6
Lvs scattered on long decumbent-ascending stems
7
Lvs rosulate at tips of short erect stems
8
7
Fls creamy white; lvs both alt. and in short lateral rosulate tufts, crenate-serrate
10. simpsonii
Fls bluish white or blue; lvs not in lateral tufts, subentire
6. albomarginata
8
Lvs 8-15 mm. broad, ovate-spathulate, very thick and coriac. with prominent cartilaginous margins
5. cartilaginea
Lvs much narrower and thinner
9
9
Calyx-lobes = corolla-tube, capsule globose
9. congesta
Calyx-lobes much < corolla-tube, capsule obconic
10
10
Lvs subentire, ± glaucous and coriac.; margins often white and cartilaginous; corolla-tube slender
6. albomarginata
Lvs crenate-serrate, glossy-green, fleshy; margins rarely cartilaginous; corolla-tube broad
7. pygmaea

Miss J. A. Hay (now Mrs. Petterson) has made a detailed study of the genus in N.Z., and has deposited a thesis at Victoria University College. Her investigation has been extremely useful in the preparation of this account and several of her conclusions have been adopted.

Click to go back to the top of the page
Top