laburnum

Names and Synonyms

Common Names

• Scottish Laburnum
• Alpine Laburnum
• Scotch laburnum
• Laburnum

Scientific Names

Accepted name

Synonyms

• Cytisus alpinus
• Laburnum alpinum var. autumnale
• Cytisus angustifolius
• Laburnum alpinum f. autumnale
• Genista alpina
• Cytisus alpinus var. pendulus
• Laburnum alpinum f. pendulum
• Laburnum alpinum var. pendulum
• Cytisus alpinus intermedius
• Laburnum alpinum var. pilosum
• Cytisus alpinus var. pilosus
• Cytisus laburnum subsp. alpinus

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. It falls under the subclass Magnoliidae and the order Fabales, situated within the family Fabaceae. Finally, it is categorized under the genus Laburnum.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed across various regions of the European continent. In Northern Europe, its presence can be found throughout Great Britain and Ireland. Moving into Middle Europe, the species is established within the borders of Germany. It also occupies significant territories within Austria. Finally, its geographical range extends through the Czech-Slovakia region.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Laburnum alpinum is characterized by its status as a perennial organism, ensuring its long-term survival and presence within its ecological niche through multiple growing seasons. As a phanerophyte, the plant maintains its critical stem organs well above the soil surface, a structural adaptation that allows it to thrive in its specific habitat. Specifically, it functions as both a phanerophyte and a nanophanerophyte, a distinction that reflects its growth habit and the height at which its buds and reproductive structures are held during various environmental conditions.

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Laburnum alpinum is characterized by a woody growth form that can manifest as both a shrub and a tree. This plant is strictly terrestrial in its habitat, showing no aquatic or epiphytic tendencies. As a self-supporting species, it does not function as a climber, maintaining a robust structure that reaches a plant height ranging from a minimum of 2 meters to a maximum of 5 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Growth form :

tree

Plant height max:

5 m

Plant height min:

2 m

Woodiness :

woody

Physiology

The physiology of Laburnum alpinum is characterized by a metabolic framework centered on the C3 photosynthetic pathway, a common trait among temperate deciduous woody species that rely on the direct fixation of atmospheric carbon dioxide via the enzyme RuBisCO. This metabolic process involves the production of a three-carbon compound during the initial stages of carbon fixation within the mesophyll cells, optimizing the plant's energy production in the cooler, moist environments typical of its natural alpine and subalpine habitats. Beyond its carbon assimilation strategy, the plant's physiological regulation is closely tied to seasonal dormancy and temperature sensitivity, which governs its vegetative growth cycles and the reproductive development of its characteristic yellow inflorescences. The efficiency of its C3 pathway is highly dependent on ambient moisture levels and light availability, influencing its transpiration rates and overall water-use efficiency during the growing season.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Laburnum alpinum is characterized by a specific seasonal flowering window and specialized seed characteristics. The flowering process typically begins in May and extends through June, providing a concentrated period for pollination. Following successful fertilization, the plant produces seeds with a highly consistent mass; the mean seed mass is recorded at approximately 0.028585 g, with minimum and maximum values tightly clustered around 0.02857 g. Regarding the movement of offspring, the species employs an anemochorous dispersal syndrome, meaning the seeds are primarily dispersed by the action of the wind.

Dispersal syndrome :

anemochorous

Flowering time :

May

Flowering time :

Jun

Seed mass max:

0.02857 g

Seed mass mean:

0.028585 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Laburnum alpinum has 3 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include CYTISINE, N-Methylcytisine, genistein.

CYTISINE

1. Toxins

N-Methylcytisine

1. Toxins

genistein

1. Dr. Duke

Activities

Laburnum alpinum has 72 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Abortifacient, Aldose-Reductase-Inhibitor, Alpha-Reductase-Inhibitor, Antiaggregant, Antiangiogenic.

Abortifacient

1. Dr. Duke

Aldose-Reductase-Inhibitor

1. Dr. Duke

Alpha-Reductase-Inhibitor

1. Dr. Duke

Antiaggregant

1. Dr. Duke

Antiangiogenic

1. Dr. Duke

Antiatherosclerotic

1. Dr. Duke

Anticancer (Breast)

1. Dr. Duke

Anticarcinomic (Breast)

1. Dr. Duke

Anticlimacteric

1. Dr. Duke

Antiendoccytotic

1. Dr. Duke