Skip to main content

The world's oldest herbarium specimen collection, Dalea candida Willd NCSC00010804

BLOG - Two dried plant fragments about 40 cm long provide insight into the importance of documentation systems for science. The specimens taken from a rocky cliff in the Americas were unidentified for more than 300 years.

The world's oldest herbarium specimen collection, Dalea candida Willd NCSC00010804

There is no information about who first, in 1501, took the specimen with ID: 376f695f-67b0-414e-82e7-8934027c80b3 from nature and there was no official taxonomic description of the plant until the 1800s, Carl Ludwig Willdenow, wrote to Species Plantarum ed. 4. 3: 1337 (1802) with the name Dalea candida.

Willdenow who got the standard abbreviation Willd was born in Germany on August 22, 1765, and began his career as a pharmacist, but was fond of collecting herbariums in his teens. He is considered one of the earliest figures in phytogeography who investigated the geographical distribution of plants.

Willd became a member of the Berlin Academy of Sciences in 1794 and was director of the Botanical Garden in Berlin from 1801 until his death in 1812. He studied many South American plants brought by Alexander von Humboldt (1767-1835), related their adaptation to climate and showed that similar climates had species with similar characteristics.

Humboldt (Humb) was also one of the earliest and most famous phytogeographers who influenced Charles Darwin and Ernst Haeckel. He eventually continued and helped expand the garden after Willd's death. The herbarium contains over 20,000 species.

Over time the taxon has been synonymized with several species including Petalostemon candidus Willd. (Michx. in Fl. Bor.-Amer. 2: 49, 1803), Psoralea candida Willd. (Poir. in J.B.A.M.de Lamarck, Encycl. 5: 694, 1804) and Kuhnistera candida Willd. (Kuntze in Revis. Gen. Pl. 1: 192, 1891).

Somehow the specimens passed to Delzie Demaree (1889-1987), an American botanist and plant collector. Demaree collected more than 50,000 specimens and are stored at Southern Methodist University, University of Arkansas, University of North Carolina, National Herbarium of Victoria Royal Botanic Gardens Victoria, National Herbarium of New South Wales, and Australian National Herbarium.

The specimens are stored at North Carolina State University Vascular Plant Herbarium with catalog ID: NCSC00010804 until now. D. candida is a flowering plant in the Fabaceae, has two varieties, namely Dalea candida var. candida and Dalea candida var. oligophylla (Torr.) Shinners.

Read more:

Species Plantarum. Editio Quarta. Berolini [Berlin], International Plant Names Index (IPNI) https://www.ipni.org/p/1302-2

Dalea candida Willd. Kew Plants of the World Online https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30189316-2

North Carolina State University Vascular Plant Herbarium (NCSC:NCSC) https://sernecportal.org/portal/collections/individual/index.php?occid=8721780

By Aryo Bandoro
Founder of Dlium.com. You can follow him on X: @Abandoro.

Popular Posts

Cogon grass (Imperata cylindrica)

Cogon grass ( Imperata cylindrica ) is a species of plant in the Poaceae, an annual grass, sharp leaves, long and scaly shoots, creeping underground, white or purplish flowers, very adaptive and grows in all climates. I. cylindrica has sharply pointed shoot tips that emerge from the ground, up to 3 meters high, short stems, rising above the ground surface. Leaves are long ribbon-shaped, pointed tip, narrow base, up to 100 cm long, very rough and sharply serrated edges, long hairs at the base and wide veins. Inflorescences in panicles, up to 28 cm long, spikes long-haired and white to 1 cm. The seeds spread quickly with the wind or via rhizomes that quickly penetrate the soil. This species grows in tropical to subtropical areas, elevation up to 2000 meters, temperature 20-40C, rainfall 500-3500 mm/year, pH 4-7.5, lots of sunlight to a bit of shade. This plant dominates open land, former forests, dry rice fields, roadsides and so on. This plant contains mannitol, glucose, sacharose...

Liberian coffee (Coffea liberica)

Liberian coffee ( Coffea liberica ) is a species of plant in the Rubiaceae family, a tree up to 20 meters tall, with numerous, radial and irregular branches, brown bark, and linear fissures. The leaves are oval, thick, up to 35 cm long, up to 20 cm long, shiny green, and have petioles up to 1 cm long. The fruit is round to oval, irregular, and up to 2 cm wide. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Gentianales Family: Rubiaceae Subfamily: Ixoroideae Tribe: Coffeeae Genus: Coffea L. in Sp. Pl.: 172 (1753) Species: Coffea liberica W.Bull in Nursery Cat. (William Bull) 97: 4 (1874) HETEROTYPIC SYNONYMS Coffea abeokutae Cramer in Meded. Dept. Landb. Ned.-Indië 11: 286, 396 (1913) Coffea abeokutae var. camerunensis A.Chev. in Encycl. Biol. 22: t. 44 (1942) Coffea abeokutae var. indeniensis (Siebert) A.Chev. (1942) Coffea abeokutae var. longicarpa Portères in Ann. Agric. Afrique Occ. 1(2): 224 (1937) Coffea abeokutae var. macrocarpa...

A deep-sea isopod Bathyopsurus nybelini adapted to feed submerged Sargassum algae

NEWS - Incredible footage shows a marine species, Bathyopsurus nybelini , feeding on something that sinks from the ocean’s surface. Researchers using the submersible Alvin found the isopod swimming 3.7 miles down using its paddle-like legs to catch an unexpected food source: Sargassum. Researchers from Woods Hole Oceanographic Institution (WHOI), the University of Montana, SUNY Geneseo, Willamette University and the University of Rhode Island found the algae sinking, while the isopod waited and adapted specifically to find and feed on the sinking nutrient source. The Sargassum lives on the surface for photosynthesis. The discovery of a deep-sea animal that relies on food that sinks from the waters miles above underscores the close relationship between the surface and the deep. “It’s fascinating to see this beautiful animal actively interacting with sargassum, so deep in the ocean. This isopod is extremely rare; only a handful of specimens were collected during the groundbreaking Swedis...