Fern Asparagus

Names and Synonyms

Common Names

• Fern Asparagus

Scientific Names

Accepted name

Synonyms

• Protasparagus filicinus var. brevipes
• Asparagus filicinus var. megaphyllus
• Asparagus filicinus var. brevifolius
• Asparagus filicinus var. microclada
• Asparagus filicinus var. brevipes
• Asparagus filicinus var. giraldii
• Asparagus qinghaiensis
• Protasparagus filicinus
• Protasparagus filicinus var. brevifolius
• Protasparagus filicinus var. microclada

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. Further taxonomic details place it in the subclass Magnoliidae, the order Asparagales, and the family Asparagaceae. It is ultimately identified by the genus Asparagus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad distribution across several key regions in Asia. Within China, it can be found spanning from the South-Central areas to the North-Central provinces. Its presence further extends into the Southeast region of China as well. Moving into the Indian Subcontinent, the species is documented to grow in the state of Assam. Finally, its geographical range includes the neighboring country of Bangladesh.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Asparagus filicinus is characterized by its adaptation to specific altitudinal gradients within its native montane habitats. This species thrives across a broad vertical distribution, typically occupying environments ranging from an elevation of 1200 m AMSL to a maximum of 3000 m AMSL. On average, the plant is most frequently encountered at a mean elevation of 2100 m AMSL, suggesting a preference for mid-to-high altitude ecological zones. This elevational range dictates its interaction with varying temperature regimes, moisture availability, and atmospheric pressures, positioning it as a specialized component of high-altitude vegetation communities.

Elevational range max:

3000 m AMSL

Elevational range mean:

2100 m AMSL

Elevational range min:

1200 m AMSL

Life history

The life history of Asparagus filicinus is characterized by its classification as a perennial organism, meaning it maintains its existence over multiple growing seasons rather than completing a single reproductive cycle in one year. In terms of its structural growth habit and survival strategy, the plant is identified as a hemicryptophyte. This life form indicates that its perennary buds are situated at or just below the soil surface, protected by the remains of previous seasons' foliage or the soil itself during unfavorable environmental conditions. This combination of a perennial lifecycle and a hemicryptophytic life form allows the species to establish a stable presence in its habitat, ensuring long-term survival and the ability to regenerate continuously from protected underground structures.

Life form :

hemicryptophyte

Lifecycle :

perennial

Morphology

The morphology of Asparagus filicinus is characterized by its growth form as a non-woody herb. This plant is a terrestrial species that functions as an independent organism, meaning it does not act as a parasite or an epiphyte. In terms of its physical structure, it is described as a self-supporting climber, possessing the ability to maintain its own stature without requiring external support. The plant typically reaches a height ranging from a minimum of 0.5 m to a maximum of 0.7 m, with an average height of approximately 0.65 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

0.7 m

Plant height mean:

0.65 m

Plant height min:

0.5 m

Woodiness :

non-woody

Physiology

The physiology of Asparagus filicinus is characterized by highly specialized leaf structures and specific metabolic limitations regarding nutrient acquisition. The foliage, which consists of fine, needle-like cladodes, exhibits significant morphological variation in dimensions; the leaf length typically ranges from a minimum of 0.3 cm to a mean of 0.9 cm, with individual specimens reaching a maximum length of 1.5 cm. Complementing this longitudinal variation, the leaf width is notably narrow, maintaining a minimum measurement of 0.08 cm and reaching a maximum width of only 0.2 cm. From a biochemical and symbiotic standpoint, the plant does not possess the physiological capacity for nitrogen fixation, as it lacks the necessary symbiotic relationship with nitrogen-fixing bacteria to convert atmospheric nitrogen into usable forms.

Leaf length max:

1.5 cm

Leaf length mean:

0.9 cm

Leaf length min:

0.3 cm

Leaf width max:

0.2 cm

Leaf width min:

0.08 cm

Nitrogen fixer :

no

Reproduction

The reproduction of Asparagus filicinus is driven by biotic pollination processes, specifically relying on insect vectors such as bees to facilitate the transfer of pollen. The flowering period is relatively concentrated, typically beginning in June and concluding in July. This plant exhibits a reproductive strategy where self-fertilization is absent, necessitating cross-pollination through its insect-mediated syndrome. Following successful pollination, the plant produces small fruits that typically measure an average of 0.55 cm in both length and width, with dimensions ranging from a minimum of 0.5 cm to a maximum of 0.6 cm. The seeds produced within these fruits are highly uniform in mass, maintaining a consistent measurement of 0.02829 g throughout the reproductive cycle.

Flowering time :

Jun

Flowering time :

Jul

Fruit length max:

0.6 cm

Fruit length mean:

0.55 cm

Fruit length min:

0.5 cm

Fruit width max:

0.6 cm

Fruit width mean:

0.55 cm

Fruit width min:

0.5 cm

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Seed mass mean:

0.02829 g

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Asparagus filicinus has 1 reported plant parts identified across 3 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include root.

Root

1. Phytochemistry
2. Phytochemical analysis : PCA
3. Journal of natural products

Chemicals

Asparagus filicinus has 4 reported phytochemicals identified across 3 scientific publications and several other databases. The most consistently reported chemicals include 20-HYDROXYECDYSONE, Ajugasterone C, ECDYSONE, Rubrosterone.

20-HYDROXYECDYSONE

1. Phytochemical analysis : PCA
2. Journal of agricultural and food chemistry

Ajugasterone C

1. Phytochemical analysis : PCA

ECDYSONE

1. Phytochemical analysis : PCA

Rubrosterone

1. Journal of agricultural and food chemistry

Activities

Asparagus filicinus has 1 reported activities identified across 3 scientific publications and several other databases. The most consistently reported activities include Cytotoxic.

Cytotoxic

1. Journal of natural products

Conditions

Asparagus filicinus has 2 reported investigations on conditions identified across 3 scientific publications and several other databases. The most consistently reported conditions include cancer, pneumonia.

Cancer

1. Mitochondrial DNA. Part B, Resources

Pneumonia

1. Mitochondrial DNA. Part B, Resources

Preparations

Asparagus filicinus has 3 reported preparations identified across 3 scientific publications and several other databases. The most consistently reported preparations include Methanolic extracts, ethanolic extract roots, solid fermentation.

Methanolic extracts

1. Evidence-based complementary and alternative medicine : eCAM

Ethanolic extract roots

1. Phytochemistry

Solid fermentation

1. Journal of agricultural and food chemistry