BioPhotoSharing

22/11/2024

Due to lack of funding, BioPhotoSharing is no longer available. Thanks all your support in these 10 years.

14/04/2022

Finally, I know the s*x of the ginkgo tree at Lake Ad Excellentiam at CUHK...

Male strobili of a Ginkgo tree at different stages at mid-April. Male strobili are catkin-like and borne on the short shoot. Paired microsporangia can be found at the tip of a stalk emerged from the strobilus axis. Pollen grains can be found in some open microsporangia in one of the photos shown. Gi...

09/04/2021

Juniperus chinensis under microscope

Juniperus chinensis, possibly Juniperus chinensis L. 'Kaizuca' 龍柏 -Two types of leaves from the same tree: scalelike leaves and needlelike leaves. -Scalelike leaves: decussate and closely appressed. -Needle leaves: whorls of three can be observed in this specimen. -Both type of leaves show 2 whi...

09/04/2021

Japan Cherry flowers

5 sepals and 5 petals, numerous stamens. Stamens (around 3 whorls, not shown in this picture) are inserted on or near the rim of hypanthium which is campanulate. One style with one stigma. Superior o***y with 1 locule containing 2 ovules which are collateral and pendulous. References http://www.eflo...

09/04/2021

One of the most toxic plants in Hong Kong.

Yellow corolla tube with 5 connate petals which are abruptly narrowed into ribbon like pendulous tails. 10 triangular whitish yellow corona-lobes inserted at base of corolla lobes. Five epipetalous stamens with sagittate, connivent (converging but not fused) anthers. Anthers bear connective tails/sp...

25/03/2021

STEM activity wtih Clitoria ternatea 蝶豆

Clitoria ternatea 蝶豆 belongs to Fabaceae 蝶形花科. The dried flowers are commonly used to brew flower tea. The blue colour of the flowers can be attributed to presence of the anthocyanins in petals. Anthocyanins was extracted by soaking the dried flowers in tap water overnight. When lemon ju...

30/10/2020

Another topic with 20 photos for students to describe the features, as an exercise for the online lab course.

More about Biodiversity Lab 1

16/04/2020

A new topic with over 30 photos for students to describe the features.

More about Angiosperms

12/06/2019

馬蹄蓮

Belonging to Araceae. Spadix monoecious, with densely congested unis*xual flowers (male flowers above and female flowers below). As shown in the photos, the flowers lack of perianth and the o***y has axile placentation. References: http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:...

10/06/2019

Student work: fishtail palm

Also known as

10/06/2019

Student work: 木麻黃

A member of Casuarinaceae (木麻黃科). From the branch, you can observe the plant is monoecious; however, the flowers are unis*xual; more, the female and male inflorescences are different, female: head/ capitulum, male: spike. Leaves: whorled, scale leaves Male flower: 2 celled anther (reddish br...

10/06/2019

Student work: 石竹

Common Name: rainbow pink/ China pink Family: Caryophyllaceae 石竹科 Function: Ornamental, traditional medicine：清熱利尿、破血通經&散瘀消腫 P.S. This species shown in photo may be a cultivar or varient of species Dianthus chinensis Leaf arrangement: Decussate (variation of opposite...