Actephila merrilliana

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant is native to specific regions within East Asia. Its documented geographical distribution includes the tropical island of Hainan in China. Additionally, it can be found throughout the broader China Southeast region. These locations represent the primary natural habitats where the species thrives. Consequently, its range is concentrated within these particular Chinese territories.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Actephila merrilliana is characterized by its distinct growth strategies and structural classifications within its ecosystem. Primarily, this species functions as a phanerophyte, meaning its perennating buds are elevated well above the ground level on woody stems, allowing it to maintain a stable presence through various seasonal cycles. In certain environmental contexts or developmental stages, its life form may also be described as a nanophanerophyte, indicating that while it maintains a woody structure, its height is relatively low compared to larger forest canopy species. This combination of life forms allows the plant to navigate its specific ecological niche, utilizing its elevated buds to survive unfavorable conditions while maintaining a consistent perennial life cycle.

Life form :

nanophanerophyte

Life form :

phanerophyte

Morphology

The morphology of Actephilia merrillianana is characterized by its growth habit as a woody, self-supporting climber, functioning as a liana or vine that can also exhibit facultative or obligatory climbing behaviors. The plant typically grows to a mean height of 1.5 m, though its stature can vary significantly, ranging from a minimum of 1 m to a maximum of 2 m. As an independent organism, it does not function as a parasite, and it maintains a terrestrial lifestyle rather than an epiphytic one.

Climber :

self-supporting

Epiphyte :

terrestrial

Parasite :

independent

Plant height max:

2 m

Plant height mean:

1.5 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiological development of the foliage in Actephilia merrillianana is characterized by significant morphological variation in leaf dimensions, reflecting its adaptive growth patterns. The leaves exhibit a diverse range of longitudinal measurements, with a minimum length of 7 cm and a mean length of approximately 13.5 cm, reaching a maximum extension of up to 20 cm. Complementing this longitudinal growth, the leaf width shows a proportional range, maintaining a minimum width of 2 cm and expanding to a maximum of 5.5 cm. This variation in leaf area and shape is indicative of the plant's structural plasticity and its ability to optimize light interception and gas exchange within its specific ecological niche.

Leaf length max:

20 cm

Leaf length mean:

13.5 cm

Leaf length min:

7 cm

Leaf width max:

5.5 cm

Leaf width min:

2 cm

Reproduction

The reproduction of Actephilia merrilliana is characterized by specific morphological dimensions of its reproductive structures, beginning with the flowering stage where the flowers exhibit a variable length ranging from a minimum of 0.5 cm to a maximum of 0.9 cm. Following successful pollination, the plant develops fruit that are notably consistent in their physical dimensions; the fruit width maintains a uniform measurement, with a minimum, mean, and maximum width all recorded at 0.2 cm. This precise sizing of both the floral and fruiting components plays a critical role in the plant's reproductive cycle and subsequent seed dispersal.

Flower length max:

0.9 cm

Flower length min:

0.5 cm

Fruit width max:

0.2 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Actephila merrilliana 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. Acta crystallographica. Section E, Structure reports online