sonchus-leaf crepidiastrum

Names and Synonyms

Common Names

• sonchus-leaf crepidiastrum

Scientific Names

Accepted name

Synonyms

• Ixeris sonchifolia
• Lactuca denticulata var. sonchifolia
• Ixeris denticulata subsp. sonchifolia
• Youngia sonchifolia
• Ixeridium sonchifolium
• Paraixeris sonchifolia

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Asterales, it is classified under the family Asteraceae. Finally, it is identified by the genus Crepidiastrum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical presence across several distinct regions within China. It is widely documented to grow throughout the South-Central part of the country. Furthermore, its distribution extends into the northern territories, including Inner Mongolia and Manchuria. The species is also found within the North-Central regions of China. Finally, its range reaches into the Southeast, completing its diverse coverage across the nation.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Crepidastrum sonchifolium is characterized by its remarkable adaptability to diverse terrain and varied altitudinal gradients. It thrives in a wide spectrum of environments, commonly inhabiting forests, meadows, mountains, shrubberies, and stony places. This versatility allows it to colonize both sheltered woodland areas and more exposed, rocky landscapes. The species exhibits a broad elevational distribution, ranging from lowlands at 100 m AMSL to high-altitude environments reaching a maximum of 2700 m AMSL, with a mean elevation of approximately 1371.67 m AMSL. This significant vertical range suggests the plant is well-equipped to withstand the fluctuating temperature and moisture regimes typical of different montane and sub-montane ecological zones.

Elevational range max:

2700 m AMSL

Elevational range mean:

1371.66666666667 m AMSL

Elevational range min:

100 m AMSL

Habitat :

forest, meadows, mountains, shrubberies, stony places

Life history

The life history of Crepidastrum sonchifolium is characterized by its status as a perennial herb, allowing it to persist through multiple growing seasons. It typically follows a life cycle where it establishes itself through a robust rhizomatous root system, which enables vegetative spreading and survival during unfavorable environmental conditions. The plant transitions through various developmental stages, starting from seed germination or vegetative propagation, followed by a period of vegetative growth where it develops its characteristic deeply lobed leaves. As it matures, it enters a reproductive phase, producing inflorescences consisting of numerous yellow discoid flower heads that attract various pollinators. Following successful pollination, the plant produces wind-dispersed achenes, ensuring the continuation of its population. While it exhibits perennial tendencies due to its perennial lifecycle, its growth patterns can be variable depending on the specific climatic conditions and habitat stability.

Lifecycle :

annual

Morphology

The morphology of Crepidiastrum sonchifolium is characterized by a herbaceous growth form, existing as a non-woody herb. This plant is primarily terrestrial in its habitat and functions as an independent organism, rather than a parasite or an epiphyte. In terms of its structural habit, it is a self-supporting species rather than a climber, liana, or vine. The plant exhibits significant variation in stature, with heights ranging from a minimum of 0.07 m to a maximum of 1 m, resulting in an average plant height of approximately 0.528 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Plant height max:

1 m

Plant height mean:

0.528333333333333 m

Plant height min:

0.07 m

Woodiness :

non-woody

Physiology

The physiology of Crepidiasctrum sonchiifolium is characterized by a C3 photosynthetic pathway, which governs its carbon fixation processes and metabolic efficiency. The plant's vegetative development is closely linked to its leaf morphology, exhibiting significant variation in dimensions. The leaves typically present a mean length of approximately 6.42 cm, though they can range from a minimum of 3 cm to a maximum of 15 cm. Correspondingly, the leaf width shows a mean value of approximately 1.83 cm, with individual measurements spanning from a minimum of 1 cm to a maximum width of 3 cm. These morphological traits reflect the plant's structural adaptations for light interception and gas exchange within its specific ecological niche.

Leaf length max:

15 cm

Leaf length mean:

6.41666666666667 cm

Leaf length min:

3 cm

Leaf width max:

3 cm

Leaf width mean:

1.83333333333333 cm

Leaf width min:

1 cm

Photosynthetic pathway :

C3

Reproduction

The reproduction of Crepidastrum sonchifolium is characterized by its bisexual flowers, which facilitate sexual reproduction. The flowering period typically begins in July and concludes in September, though the timing can be variable. Following successful pollination, the plant produces small fruits with a mean length of approximately 0.167 cm and a mean width of 0.058 cm. Specifically, the fruit dimensions vary, with lengths ranging from a minimum of 0.1 cm to a maximum of 0.2 cm, and widths ranging from a minimum of 0.05 cm to a maximum of 0.075 cm. The dispersal of these fruits follows an anemochorous syndrome, meaning they are primarily dispersed by the wind.

Dispersal syndrome :

anemochorous

Flowering time :

Jul

Flowering time :

Sep

Fruit length max:

0.2 cm

Fruit length mean:

0.166666666666667 cm

Fruit length min:

0.1 cm

Fruit width max:

0.075 cm

Fruit width mean:

0.0583333333333333 cm

Fruit width min:

0.05 cm

Reproduction sexual :

bisexual

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Crepidiastrum sonchifolium has 7 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Apigenin 7-glucoside, Luteolin-7-glucoside, Sesquiterpenes, Terpenoids, Triterpenes.

Apigenin 7-glucoside

1. Clinica chimica acta; international journal of clinical chemistry

Luteolin-7-glucoside

1. Clinica chimica acta; international journal of clinical chemistry

Sesquiterpenes

1. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

Terpenoids

1. Journal of ethnopharmacology

Triterpenes

1. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

artemisinin

1. Journal of ethnopharmacology

paclitaxel

1. Journal of ethnopharmacology

Activities

Crepidiastrum sonchifolium has 3 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Analgesic, Antitumor, Antiviral.

Analgesic

1. Clinica chimica acta; international journal of clinical chemistry

Antitumor

1. Journal of ethnopharmacology

Antiviral

1. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie

Preparations

Crepidiastrum sonchifolium has 2 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include Ixeris sonchifolia extract, dried form.

Ixeris sonchifolia extract

1. Journal of ethnopharmacology

Dried form

1. Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie