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Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Calystegia R.Br.

CALYSTEGIA R. Br., 1810

Fls solitary, subtended by 2 large bracts enclosing calyx, on axillary peduncles. Sepals or calyx-lobes subequal; corolla funnelform, 5-angled. Staminal filaments dilated at base. Ovary 1- or imperfectly 2-loculed and 4-ovuled. Style filiform; stigmas 2, broad. Capsule subglobose, us. 1-celled, seed glab. Twining lianes or prostrate to rambling us. glab. herbs with alt. entire or lobed lvs. Some 10 spp., mostly of temperate regions. No N.Z. sp. is endemic.

Key

1
Corolla not > c. 15 mm. diam.
1. marginata
Corolla not < c. 25 mm. diam., us. Larger
2
2
Lvs fleshy, shining, ± reniform
2. soldanella
Lvs membr., dull, not reniform
3
3
Lamina ± 5-12 cm. long, sagittate; sinus narrow, deep
3. sepium
Lamina ± 1-4 cm. long, cordate; sinus broad, shallow
4. tuguriorum
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