Pages

Thursday, 25 February 2010

Family :POLYGALACEAE


P.persicarifolia Dr Phadke

P.persicarifolia Dr Phadke

FAMILY : POLYGALACEAE

Milkwort family
Polygala(Latin) means much milk. Cattle feeding on these plants are supposed to give more milk.
There are 17 genera and 900-1000 species around the world. 50 %of the plants are in genus Polygala.

Vegetative characters:

It is a small cosmopolitan family of herbaceous plants, shrubs and small trees. Leaves are alternate, always simple, usually without stipules. Polygalas have Irregular flowers and superficially resembling Fabaceae.

Inflorescence and flowers:

Flowers are generally in spikes or racemes, each flower subtended by a bract and two bracteoles.

Sepals are 5 and unequal, two side sepals are often larger and coloured like petals. Uppermost sepal is keeled(Ridged in a way that resembles two connected petals or sepals. There are three petals united at base and the lower one boat shaped or saucer shaped -keel with a fringed crest; enclosing 8 stamens and a pistil style. Stamens are often fused by their filaments into a split sheath. Ovary of two fused carpels, 2 chambered, each chamber one seeded;

Fruits and the seeds:

Fruit is a capsule.

Examples: From Maharashtra

1. Leaves amplexicaul; flowers in spike; stamens 4-5; capsule toothed … Salomonia

1. Leaves not as above; flowers in racemes; stamens 8 capsule entire. … Polygala

2.Shrubs … P.arillata

2.Herbs

3. Flowers Pink …P. bulbothrix

… P.irregularis

… P.persicarifolia

3.Flowers yellow

…P. furcata

… P.erioptera

… P.elongata

… P arvensis.

… P. Linarifolia

2 comments:

Deena said...

We have already done enough harm to the environment…High time we woke up to see the damage we’ve caused.
We may not be able to reduce global warming, end pollution and save endangered species single-handedly, but by choosing to live an earth-friendly lifestyle we can do a lot every day to help achieve those goals.
Stand Up Take Action 2010.We need you…Globally more than 173 Million people stood up against poverty in 2009, a Guinness World Record! Let us break this record in 2010!
It is Time for You to STAND UP AGAINST POVERTY NOW!
Join us on Facebook at www.facebook.com/unmcampaignINDIA
Follow us on Twitter at http://twitter.com/unmcampaignIND

Yatika Dhingra said...

Perfect blog, Just what I was looking for. Thank you!
Stylo hameta
Pongamia pinnata
 Swietenia mahagoni
Jakaranda
cassia auriculata
Acacia mangium
Eucalyptus
Simarouba glauca
Lakshmi taru