purging croton

Names and Synonyms

Common Names

• purging croton

Scientific Names

Accepted name

Synonyms

• Oxydectes laevigata

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it is organized under the order Malpighiales and the family Euphorbiaceae. Finally, it is identified by the genus Croton, specifically as the species Croton laevigatus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant has a very specific and limited natural range. Its geographical distribution is primarily concentrated within the nation of China. More specifically, it is found natively on the island of Hainan. Because it is restricted to this single location, it is considered an endemic species to the region. Consequently, its survival is closely tied to the unique tropical environment of this particular island.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Croton laeviagatus is characterized by a specific altitudinal distribution that dictates its habitat preferences and environmental interactions. This species typically thrives within a lowland to sub-montane elevational range, occupying various niches from sea level up to a maximum height of 600 m AMSL. The distribution follows a gradient where the species is most commonly found at a mean elevation of 325 m AMSL, indicating a preference for mid-to-low altitude landscapes. Its ecological presence begins at a minimum elevation of 50 m AMSL, suggesting an ability to inhabit coastal or near-coastal environments before ascending into higher terrestrial zones. This vertical positioning influences the specific microclimates, humidity levels, and soil compositions the plant encounters throughout its life cycle.

Elevational range max:

600 m AMSL

Elevational range mean:

325 m AMSL

Elevational range min:

50 m AMSL

Life history

The life history of Croton laeviagatus is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. In terms of its structural growth patterns and ecological positioning, it exhibits a dual classification of life forms, functioning both as a phanerophyte and a nanophanerophyte. This indicates that while the plant possesses woody stems that elevate its reproductive structures above the ground level, it also maintains a growth habit where the permanent shoots are relatively short, typically staying close to the substrate.

Life form :

nanophanerophyte

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Croton laevigatus is characterized by its significant stature, reaching an average plant height of 12.5 m. As a woody species, it exhibits a robust growth form classified as a tree, functioning as a self-supporting structure rather than a climber or vine. This plant is non-parasitic, growing as an independent organism, and is strictly terrestrial in its ecological niche, lacking both aquatic and epiphytic tendencies.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height mean:

12.5 m

Woodiness :

woody

Physiology

The physiology of Croton laeviagtus is characterized by specific morphological dimensions of its foliage and its nutritional metabolic processes. The leaf architecture exhibits significant variability in size, with leaf lengths ranging from a minimum of 7 cm to a maximum of 18 cm, maintaining a mean length of 12.5 cm. In terms of lateral expansion, the leaf width fluctuates between a minimum of 3 cm and a maximum of 5.5 cm. Regarding its nutrient acquisition strategies, the plant does not function as a nitrogen fixer, meaning it relies on the uptake of available nitrogen from the soil rather than through symbiotic nitrogen fixation processes.

Leaf length max:

18 cm

Leaf length mean:

12.5 cm

Leaf length min:

7 cm

Leaf width max:

5.5 cm

Leaf width min:

3 cm

Nitrogen fixer :

no

Reproduction

The reproduction of Croton laeviagatus is characterized by the development of specific fruit structures that serve as the primary means of seed dispersal. The fruits produced by this species exhibit a high degree of morphological consistency, as indicated by the lack of variance in their physical dimensions. Specifically, the fruit length is remarkably uniform, maintaining a mean, minimum, and maximum value of 1 cm. Similarly, the fruit width shows no deviation, with the mean, minimum, and maximum measurements all recorded at 0.8 cm. This stability in fruit size suggests a highly standardized reproductive output, resulting in compact, consistent fruit dimensions of approximately 1 cm in length and 0.8 cm in width.

Fruit length max:

1 cm

Fruit width max:

0.8 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Croton laevigatus has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Leaf

1. Journal of natural products

Chemicals

Croton laevigatus has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Neocrotocembraneic acid.

Neocrotocembraneic acid

1. Journal of natural products

Preparations

Croton laevigatus has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include ethanolic extract.

Ethanolic extract

1. Organic letters