Portulaca

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Portulaca

Content

<<<Fruits>Seeds>Testa>Texture

smooth or tuberculate1
1. 005-003-003-001

<<<Sepals>Ovary>Ovules>Ovule number

numerous2
2. 004-004-001-001

<<<Sepals>Ovary>Style>Style number

2-93
3. 004-004-002-001

<<<Sepals>Stamens>Filaments>Hairs

often pubescent below4
4. 004-003-002-001

<<Fruits>Seeds>Seed number

numerous5
5. 005-003-001

<<Fruits>Seeds>Shape

reniform or cochleate6
6. 005-003-002

<<Fruits>Seeds>Testa

testa .7
7. 005-003-003

<<Leaves>Stipules>Hairs

present as tufts of hairs8
8. 002-001-001

<<Sepals>Ovary>Ovules

ovules ,9
9. 004-004-001

<<Sepals>Ovary>Style

styles , united below, rarely free.10
10. 004-004-002

<<Sepals>Petals>Petal number

(4-)5(-6)11
11. 004-002-001

<<Sepals>Stamens>Filaments

filaments ;12
12. 004-003-002

<<Sepals>Stamens>Stamen number

4-8 or more13
13. 004-003-001

<Fruits>Locule number

1-locular14
14. 005-001

<Fruits>Seeds

seeds , ,15
15. 005-003

<Fruits>Texture

membranous or chartaceous16
16. 005-002

<Leaves>Stipules

stipules scarious, fimbriate or , rarely absent.17
17. 002-001

<Sepals>Ovary

ovary inferior of half-inferior,18
18. 004-004

<Sepals>Petals

petals , free or connate at base, falling off rapidly;19
19. 004-002

<Sepals>Sepal number

220
20. 004-001

<Sepals>Stamens

stamens , basipetalous,21
21. 004-003

Description

Annual or perennial, prostrate to ascending, succulent herbs. Leaves alternate or subopposite, often upper ones crowded in a foliar involucre around flowers, flat or terete, sometimes succulent; stipules scarious, fimbriate or present as tufts of hairs, rarely absent. Inflorescences of subapical flowers, clustered in a capituliform cyme or solitary. Sepals 2, opposite, free or connate below, unequal, usually persistent; petals (4-)5(-6), free or connate at base, falling off rapidly; stamens 4-8 or more, basipetalous, filaments often pubescent below; ovary inferior of half-inferior, ovules numerous, styles 2-9, united below, rarely free. Fruit a 1-locular, membranous or chartaceous, circumscissile capsule; seeds numerous, reniform or cochleate, testa smooth or tuberculate.

Distribution

Guianas present, temperate to tropical regions worldwide, often in dry areas present
Approximately 200 species, distributed in temperate to tropical regions worldwide, often in dry areas; 5 species in the Guianas, sometimes planted as ornamentals.

Fruits

Fruit a , , circumscissile capsule;22
22. 005

Habit

Annual or perennial, prostrate to ascending, succulent herbs.23
23. 001

Inflorescences

Inflorescences of subapical flowers, clustered in a capituliform cyme or solitary.24
24. 003

Leaves

Leaves alternate or subopposite, often upper ones crowded in a foliar involucre around flowers, flat or terete, sometimes succulent;25
25. 002

Sepals

Sepals , opposite, free or connate below, unequal, usually persistent;26
26. 004