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

TILLAEA L., 1753

Fls small, us. solitary in lf-axils, (3)-4-(5)-merous; sepals or calyx lobes us. 4; petals us. 4; stamens as many as petals. Carpels us. 4, free or nearly so; ovules 1 to several per carpel; style us. short. Scales 4-2-0. Fr. of follicles. Small slender ± succulent herbs with small opp. lvs connate at or near base. Subcosmopolitan genus with c. 60 spp. Of the N.Z. spp. T. moschata, purpurata, sieberiana have a wider distribution, the rest are endemic.

Key

1
Lvs 5-10 mm. long; fls 4-5 mm. diam
1. moschata
Lvs not > 5 mm. long; fls not > 3·5 mm. diam
2
2
Lvs long-acuminate; peduncles elongate in fr.; seeds 10-16 per carpel
9. purpurata
Lvs not long-acuminate; peduncles not or little elongating; seeds < 10
3
3
Petals < sepals, or at most = them
4
Petals distinctly > sepals
9
4
Sepals obtuse
5
Sepals acute to acuminate
6
5
Petals obtuse; scales 4; lvs 2-3·5 mm.; carpels 2-4-seeded
6. kirkii
Petals acuminate; scales 0; lvs 1·5-2 mm.; carpels 1-2-seeded
10. debilis
6
Sepals acute or subacute
7
Sepals acuminate
8
7
Petals acute to subacute; lvs linear to linear-lanceolate; carpels 2-4-seeded
4. pusilla
Petals acuminate; lvs ovate- to linear-oblong; carpels 1-2-seeded
10. debilis
8
Stems erect or ascending, reddish; lvs fleshy
8. sieberiana
Stems prostrate, ascending only at tips, greenish; lvs thin
5. acutifolia
9
Calyx segs or sepals obtuse
10
Calyx segs or sepals acute
11
10
Lvs 2-4 mm. long, obtuse
6. kirkii
Lvs 1-2 mm. long, acute or subacute
3. sinclairii
11
Fls minute, inconspicuous; lvs thin
4. pusilla
Fls larger, conspicuous; lvs fleshy
12
12
Lvs of linear order; fls 2-3 mm. diam.; petals white
2. helmsii
Lvs of ovate order; fls 3-3·5 mm. diam.; petals rose to white
7. multicaulis
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