Ricinus

Other weeds include the noogoora burr (Xanthium strumarium), parkinsonia (Parkinsonia aculeata), bellyache bush (Jatropha gossypifolia), and castor oil plant (Ricinus communis), all of which are especially concentrated in riparian and wetland areas.

Victoria Plains tropical savanna 2008

Ricinus communis distribution in the U.S. (Source: USDA-NRCS PLANTS Database)

Ricin toxicity 2008

These include noogoora burr (Xanthium strumarium), parkinsonia (Parkinsonia aculeata), bellyache bush (Jatropha gossypifolia), and castor oil plant (Ricinus communis).

Kimberly tropical savanna 2007

I tried the following experiment: Finding a colony of these insects busily distilling on a branch of the ‘Ricinus communis’, or castor-oil plant, I denuded about 20 inches of the bark on the tree side of the insects, and scraped away the inner bark, so as to destroy all the ascending vessels.

Missionary Travels and Researches in South Africa 2004

The kheroa (Ricinus, or Palma Christi,) is likewise very common here.

Travels in Arabia 2003

The packets were labeled Castor Beans: Ricinus commonis.

Bitter Harvest Ann Rule 2000

"There is also evidence that leachates from the litter of certain trees and shrubs [Ed: water that has soaked through the litter] have nematicidal properties, e.g. Azadirachta indica (neem), Ricinus communis (castor bean) and Leucaena leucocephala."

4: Multipurpose trees 1996

- Drench 1 tablespoon of castor oil (Ricinus communis) 2 times a day for 1-3 days.

Chapter 9 1994

(Sesamum indicum L.) and castor (Ricinus communis L.) with groundnut by changing the crop geometry without reducing its plant population.

1. Green manure crops in irrigated and rainfed lowland rice-based cropping systems in south Asia. 1992

In rural India, castor bean (Ricinus communis) oil is used to protect stored seed. 66 Similarly, neem oil was found to be very effective for controlling pests in stored cowpeas in northern Togo. 67

14. Saving seeds for planting 1991