Sesuvium, Bohley & G. Kadereit
publication ID |
https://doi.org/ 10.5061/dryad.tk922 |
DOI |
https://doi.org/10.5281/zenodo.10815410 |
persistent identifier |
https://treatment.plazi.org/id/03C4186A-4F02-FFC6-FD91-FDF8FA24CFC6 |
treatment provided by |
Mulmaswoliedza |
scientific name |
Sesuvium |
status |
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KEY TO THE SPECIES OF SESUVIUM View in CoL
(INCL. CYPSELEA )
1. Margin of the lateral flaps of the petiole fimbriate ( Fig. 3B)..................................................................... 2
1. Margin of the lateral flaps of the petiole entire ( Fig. 3A)....................................................................... 3
2. Flowers white, 3 stamens............................................................................. Sesuoium humifusum
2. Flowers red, 5 stamens............................................................................... Sesuoium rubriflorum
3. Shoots smooth: usually without bulging bladder cells ( Fig. 3C).............................................................. 4
3. Shoots densely covered with bulging bladder cells ( Fig. 3C)................................................................ 9
4. Stems rooting at nodes.......................................................................................... 5
4. Stems not rooting at nodes....................................................................................... 6
5. Flowers pink or white; many stamens; worldwide distribution..................................... Sesuoium portulacastrum
5. Flowers (greenish-) white; 3 stamens; Paraguay..................................................... Sesuoium mezianum
6. Closed flowers ± ovoid ( Fig. 3F); northern America or Caribbean..................................................... 7
6. Closed flowers turbinate ( Fig. 3E); Africa........................................................................ 8
7. Seeds smooth, up to ∼ 1 mm long; capsule ± ovoid, not longer than the perigone...................... Sesuoium maritimum
7. Seeds wrinkled, up to 1.5 mm long; capsule tapered, slightly longer than the perigone................ Sesuoium trianthemoides
8. Seed coat ± smooth ( Fig. 3I); leaves broadly elliptic; dried shoots often slightly olive-colored.............. Sesuoium sesuoioides
8. Seed coat clearly structured ( Figs. 3G and H); leaves elliptic to narrowly elliptic; dried shoots can be reddish............................................................... Sesuoium hydaspicum
9. Several pairs of bracts (each bract ∼ 5 mm long)....................................................................... 10
9. One pair of bracts (each bract ∼ 1 mm long).......................................................................... 11
10. Leaves long and narrow, 20–70 mm long......................................................... Sesuoium crithmoides
10. Leaves broad-elliptic, 10–20(–30) mm long................................................ Sesuoium mesembryanthemoides
11. Pseudostipules of petiole with bladder cells....................................................... Sesuoium edmonstonei
11. Pseudostipules of petiole without bladder cells................................................................... 12
12. Closed flower turbinate ( Fig. 3E), leaves narrowly to broadly elliptic.............................................. 13
12. Closed flower ovoid ( Fig. 3F), leaves obovate to oblanceolate, sometimes linear....................... Sesuoium oerrucosum
13. Ovary with 2 or 3 carpels; leaves narrowly elliptic, semi-terete in cross section, usually densely covered with globose to slightly ovoid or fusiform bladder cells................... Sesuoium congense
13. Ovary invariably with 2 carpels; leaves broadly elliptic, often folded along midvein, ± flat, loosely to densely covered with globose bladder cells.................................. Sesuoium sesuoioides
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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