Drosera Banksii

Description

Drosera Banksii, commonly known as the Banksia Sundew, is a species of carnivorous plant native to Australia. It belongs to the Droseraceae family and is known for its ability to capture and digest insects using its sticky, glandular leaves. The plant is named after Sir Joseph Banks, a British botanist who was a member of Captain James Cook’s first Pacific voyage in 1768-1771.

Taxonomic Information

Appearance

Drosera Banksii has slender, elongated leaves that can grow up to 20cm long. The leaves are arranged in a rosette and covered in glandular hairs that secrete a sticky, mucilaginous substance to trap insects. The leaves are green, but can turn red in bright sunlight or in response to stress. The plant produces a tall stem with small, white flowers that bloom in the summer months.

Care Guide

Drosera Banksii is relatively easy to care for, but requires specific conditions to thrive.

Water

The plant should be kept constantly moist with distilled or rainwater, as tap water can contain minerals that may harm the plant.

Fertilization

As a carnivorous plant, Drosera Banksii obtains its nutrients from the insects it captures. Therefore, it does not require fertilization.

Soil

The plant prefers a well-draining soil mix that is low in nutrients, such as a mixture of peat moss and perlite.

Sunlight

Drosera Banksii requires bright, indirect sunlight for optimal growth. Direct sunlight can scorch the leaves.

Hardiness Zones

The plant is hardy in zones 9-11 and can be grown outdoors year-round in these areas.

Common Pests & Diseases

Drosera Banksii is susceptible to a few common pests and diseases:

Pests

• Aphids
• Spider mites
• Thrips

Diseases

• Root rot
• Crown rot
• Powdery mildew

Habitat

Drosera Banksii is native to the southwestern corner of Western Australia and can be found in sandy or gravelly soils in coastal heathlands and woodlands.

Questions and Answers

Q: How often should I water my Drosera Banksii?

A: The plant should be kept constantly moist with distilled or rainwater, and should never be allowed to dry out completely.

Q: Can I fertilize my Drosera Banksii?

A: No, the plant obtains its nutrients from the insects it captures and does not require fertilization.

Q: What should I do if I notice my Drosera Banksii turning brown or black?

A: This may be a sign of root rot or crown rot, which can be caused by overwatering or poor drainage. Repot the plant in fresh, well-draining soil.

Q: Can Drosera Banksii be grown indoors?

A: Yes, the plant can be grown indoors in a bright, sunny location.

Related Plants

• Drosera adelae
• Drosera capensis
• Drosera filiformis
• Drosera spatulata

References

• https://carnivorousplantresource.com/plantdatabase/drosera-banksii/
• https://www.gardeningknowhow.com/ornamental/foliage/sundews/growing-banksia-sundew.htm
• https://www.carnivorousplants.org/grow/guides/Drosera