Skip to main content

Table 1 An overview of various floral traits such as type of inflorescence, flowering period, type of flower, colour of flower, odour of flower, presence of nector, flower opening time, anther dehiscence time, number of anthers per flower, average number of pollen grains per flower, average number of ovules per ovary, pollen-ovule ratio, type, shape, size and viability of pollen and stigma type of P. dasycaulon

From: Reproductive biology of Pittosporum dasycaulon Miq., (Family Pittosporaceae) a rare medicinal tree endemic to Western Ghats

Parameters

Observations

Inflorescence

Simple raceme

Flowering period

February-April

Flower

Hermaphrodite and zygomorphic

Flower colour

Cream

Odour

Mild fragarance

Nectar

Nil

Flower opening

8:30–9:30 AM

Anther dehiscence

Bursting inwards by slits

Number of anthers/flower

5

Average number of pollengrains/flower

20800

Average number of ovules/ovary

3-8

Pollen-ovule ratio

2600:01:00

Pollen type

Trizonocolpate

Pollen shape

Triangular

Pollen size

45 ± 5.6 μm

Pollen viability

64 ± 4%

Stigma type

Capitate