Chrysothemis pulchella - Copper Leaf

Scientific name: Chrysothemis pulchella

Common name: Sunset Bells, Black Flamingo, Copper Leaf, Chrysothemis

Family: Gesneriaceae

Origin: Panama

Category: Tropical tender perennial

Photo taken at: Rooftop Secret Garden of 1-Utama

Strobilanthes hamiltoniana - Chinese Rainbell

Scientific name: Strobilanthes hamiltoniana

Synonyms: Strobilanthes colorata, Stobilanthes flaccidifolia, Diflugossa colorata, Goldfussia colorata
 Incorrectly applied named: Strobilanthes cusia

 Common names:
Indian Blue Bell, Chinese Rain Bell, Assam Indigo, Pink Strobilanthes, Vein Leaf Acanthus

Chinese name: 叉花草 (cha hua cao - forked/branched flowering plant)

Family: Acanthaceae
 Origin: Himalayan region of India, Bhutan, Nepal and Myanmar
 Category: Herbaceous perennial shrub
Photo taken at: The rooftop Secret Garden of 1-Utama 

Cinnamomum verum - Cinnamon Tree

Scientific name: Cinnamomum verum

Common name: Cinnamon Tree

Family: Lauraceae

Origin: India, Sri Lanka

Category: Small evergreen tree

Photo taken at: Rooftop Secret Garden of 1-Utama

Malvaviscus penduliflorus - Sleeping Hibiscus

Malvaviscus penduliflorus

Scientific name: Malvaviscus penduliflorus

Common name: Sleeping Hibiscus

Family: Malvaceae

Origin: Tropical America

Category: Shrub

Photo taken at: Fraser's Hill

How to grow

Light : Full or partial sun

Soil : Rich, well draining 

Water : Regular

Prune : To maintain shape and encourage new blooms

Propagate : By cuttings

Features : 

The flowers apar half-opened and they hang down. Flowers freely. Can grow up to 2m tall.

Anacardium occidentale - Cashew Nut Tree

Scientific name: Anacardium occidentale

Common name: Cashew Nut, Candaria

Family: Anacardiaceae

Origin: Tropical America

Category: Tropical tree

Photo taken at: Rooftop Secret Garden of 1-Utama

Austrocylindropuntia subulata

Scientific name: Austrocylindropuntia subulata 

Synonyms:
Opuntia subulata, Opuntia subulata, Cylindropuntia subulata,
Opuntia exaltata,Cylindropuntia exaltata, Austrocylindropuntia exaltata

Common name: Leafy Opuntia Cactus, Eve's Needle Cactus, Eve's Pin Cactus

Family: Cactaceae

Origin: Tropical America

Category: Cactus and succulents

Photo taken at: Rooftop Secret Garden of 1-Utama

Euphorbia tithymaloides ssp smallii 'Nanus' - Jacob's Ladder

Scientific name: Euphorbia tithymaloides ssp. smallii 'Nanus'

Synonyms: Pedilanthus tithymaloides ssp. smallii 'Nanan Compacta'
Pedilanthus tithymaloides ssp. smalii 'Nanus'

Common names: 

Jacob's Ladder, Small's Redbirdflower, Dwarf Zigzag Plant, Devil's Backbone

Family: Euphorbiaceae

Origin: 

Category: 

Photo taken at: Rooftop Secret Garden of 1-Utama

How to grow information -
1.  NParks Flora & Fauna Web.
2. Dave's Garden

Euphorbia trigona - African Milk Tree

Scientific name: Euphorbia trigona

Common names: Triangular Euphorbia, African Milk Tree

Family: Euphorbiaceae

Origin: West Africa

Category: Cactus and Succulents

Photo taken at: Rooftop Secret Garden of 1-Utama

Echinocactus grusonii - Golden Barrel Cactus

Scientific name: Echinocactus grusonii

Common names:
Barrel Cactus 'Spiny', Golden Barrel Cactus, Mother-in-law's Seat, Mother-in-law's Cushion

Chinese name: 金琥仙人球 (jin hu xian ren qiu)
Malay name: Kaktus Bola Emas

Family: Cactaceae

Origin: Mexico

Category: Cactus and Succulents

Photo taken at: Rooftop Secret Garden of 1-Utama

Further reading:
1. Cal's Plant of the Week site - here.
2. Cactus Art Nursery - here.

Exacum affine - Persian Violet

Scientific name: Exacum affine

Common name: Persian Violet, German Violet

Family: Gentianaceae

Origin: Island of  Socotra, Yemen*

Category: Herbaceous biennial

Photo taken at: Floria 2012

*Source: Cal's Plant of the Week website here.

How to grow

Light : Partial shade

Soil : Rich, moist, well draining (1:1:1 - loam:sand:perlite)

Water : Regular

Propagate : seeds 

Features

Plant can grow to about 2ft tall. Suitable as a container houseplant