Holarrhena curtisii

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Holarrhena densiflora
• Holarrhena latifolia
• Holarrhena pulcherrima
• Holarrhena similis
• Holarrhena crassifolia var. montana

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, Holarrhena curtisii, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Gentianaales and the family Apocynaceae. Its taxonomic hierarchy concludes with its placement in the genus Holarrhena.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution concentrated within the Indo-China and Malesia regions. In the Indo-China territory, it can be found growing across Cambodia, Laos, Thailand, and Vietnam. Additionally, its presence extends into the Malesia region, specifically within Malaya. These diverse locations suggest that the species thrives in the tropical environments characteristic of Southeast Asia. Consequently, its habitat spans multiple countries throughout these interconnected biological zones.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Holarrhena curtisiae is characterized by a diverse range of growth forms depending on environmental conditions, transitioning through stages that include nanophanerophyte, chamaephyte, and phaenophytic development. As a woody species, its life cycle often begins with a period of establishment where it may exhibit hemicryptophyte tendencies, protecting its perennating buds at the soil surface, before maturing into a more robust perennial form. Throughout its existence, the plant demonstrates significant plasticity in its stature, occasionally appearing as a low-growing chamaephyte in harsher or more exposed microhabitats, while typically progressing toward a larger phaenophytic life form characterized by more permanent, elevated woody structures. This adaptability in its life history allows it to persist across varying ecological niches, utilizing different survival strategies to manage seasonal changes and resource availability.

Life form :

chamaephyte

Morphology

The morphology of Holarrhena curtisii is characterized by a woody growth form that functions as a shrub. It exhibits a self-supporting climbing habit, meaning it does not rely on other structures for primary support. As an independent organism, it does not act as a parasite and maintains a terrestrial existence rather than being epiphytic. In terms of scale, the plant reaches a maximum height of approximately 2.5 meters.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

2.5 m

Woodiness :

woody

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Holarrhena curtisii 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

Holarrhena curtisii has 7 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include 15alpha-hydroxyholamine, 17-epi-N-demethylholacurtine, 17-epi-holacurtine, N-demethylholacurtine, holacurtine.

15alpha-hydroxyholamine

1. Journal of natural products

17-epi-N-demethylholacurtine

1. Journal of natural products

17-epi-holacurtine

1. Journal of natural products

N-demethylholacurtine

1. Journal of natural products

holacurtine

1. Journal of natural products

holacurtinol

1. Journal of natural products

holamine

1. Journal of natural products

Activities

Holarrhena curtisii has 1 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Cytotoxic.

Cytotoxic

1. Journal of natural products

Preparations

Holarrhena curtisii has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include EtOH extract of the leaves.

Etoh extract of the leaves

1. Journal of natural products