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Volume I (1961) - Flora of New Zealand Indigenous Tracheophyta - Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledons
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Callitriche L.

CALLITRICHE L., 1753

Key

1
Lobes of fr. distinctly winged
2
Lobes of fr. not or very obscurely winged
3
2
Wings almost as broad as cells; lvs ± rhomboid, us. with 1 or 2 teeth
1. muelleri
Wings much narrower than cells; lvs entire or ± emarginated
2. stagnalis
3
Fr. about as broad as long, 1-1·5 × 1-1·5 mm.; lvs ± fleshy
3. antarctica
Fr. broader than long, 0.6-0.7 × 0·8-0.9 mm.; lvs membr.
4. petriei

Characters of the family.

The spp. are difficult to discriminate in the dry state, especially in the absence of fr. The prevalence of habitat-modifications increases the difficulty. The N.Z. spp. are being studied by R. Mason, who has given me much help.

Fig. 13. CALLITRICHE. Leaves and fruits. Scale applies only to fruits; leaf-size varies greatly even in one plant. © All rights reserved. [Image: 4X0V]
Fig. 13. CALLITRICHE. Leaves and fruits. Scale applies only to fruits; leaf-size varies greatly even in one plant. © All rights reserved. [Image: 4X0V]
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