Typha davidiana

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Typha martini var. davidiana
• Typha laxmannii var. davidiana

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. Further taxonomic placement situates it in the subclass Magnoliidae and the order Poales. Finally, it is a member of the Typhaceae family and is categorized under the genus Typha.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, known scientifically as Typha davidiana, exhibits a broad geographical distribution across several distinct regions of China. In the northern territories, it can be found growing within the expansive landscapes of Inner Mongolia. Its presence is also well-documented throughout the Manchuria region, indicating an adaptation to those specific climates. Moving toward the southeastern part of the country, the species is also distributed across China Southeast. Finally, the plant's range extends significantly westward into the Xinjiang province.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Typha davidiana is characterized by a perennial lifecycle, allowing the plant to persist across multiple growing seasons through sustained vegetative and reproductive efforts. In terms of its biological structure and adaptation to its environment, it exhibits a complex life form; it functions as a helophyte, meaning it possesses specialized structures that allow it to thrive in aquatic or wetland habitats while maintaining aerial parts above the water surface. Additionally, its survival strategy is categorized by a cryptophyte life form, where essential regenerative organs are protected beneath the substrate or water level to endure unfavorable environmental conditions.

Life form :

helophyte

Life form :

cryptophyte

Lifecycle :

perennial

Morphology

The morphology of Typha davidiana is characterized by its growth as a non-woody herb, presenting a self-supporting structure that does not require climbing assistance. As a terrestrial species, it grows independently without being a parasite or an epiphyte. The plant typically reaches an average height of approximately 1 meter.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height mean:

1 m

Woodiness :

non-woody

Physiology

The physiology of Typha davidiana is characterized by a specialized carbon fixation process utilizing the C3 photosynthetic pathway, which governs its energy production and metabolic efficiency. The vegetative morphology is defined by elongated, blade-like leaves that exhibit significant structural variation; these leaves typically maintain a mean length of 65 cm, though they can range from a minimum of 60 cm to a maximum of 70 cm. In terms of lateral expansion, the foliage is notably slender, with a mean leaf width of 0.4 cm. The width of these leaves fluctuates within a narrow physiological range, spanning from a minimum of 0.3 cm to a maximum of 0.5 cm, reflecting the plant's optimized surface-area-to-volume ratio for its specific environmental niche.

Leaf length max:

70 cm

Leaf length mean:

65 cm

Leaf length min:

60 cm

Leaf width max:

0.5 cm

Leaf width mean:

0.4 cm

Leaf width min:

0.3 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Typha davidiana is characterized by the development of specialized fruit structures that facilitate seed dispersal. The resulting fruits exhibit specific morphological dimensions, maintaining a relatively consistent size profile. The fruit length typically ranges from a minimum of 0.13 cm to a maximum of 0.15 cm, with the population demonstrating a mean fruit length of 0.14 cm. These minute dimensions are critical to the plant's reproductive strategy, ensuring the efficient distribution of progeny within its habitat.

Fruit length max:

0.15 cm

Fruit length mean:

0.14 cm

Fruit length min:

0.13 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Typha davidiana has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids.

Flavonoids

1. Yao xue xue bao = Acta pharmaceutica Sinica