The INTERNATIONAL FOSSIL PLANT NAMES INDEX
Global registry of scientific names of fossil organisms covered by the International Code of Nomenclature for Algae, Fungi, and Plants and the International Code of Zoological Nomenclature © 2014-2024

IDNAME urn:idName:ifpni.org:species:33529CB4-B6E1-D1AE-6B5F-1CFE8D677A12 species
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Strychnos electri

Strychnos electri Poinar, Struwe Nature Plants, 2(16005): 1. 15 Feb 2016
Name
Strychnos electri
Rank
Species
Generic Name
[Genus] Strychnos
Authors (Pub.)
Poinar G. O. Struwe L.  
Publication
An asterid flower from neotropical mid-Tertiary amber [2016/2]
Journal
Nature Plants
Volume
2
Issue
16005
Page number
1
Year
2016
Fossil Status
flowers
Stratigraphy
Cenozoic
Strat. comment
El Mamey Formation (45–15 Myr)
Location
Municipality of Santiago de los Caballeros between Puerto Plata and Santiago, La Búcara amber mine, 19.34° N, 71.23° W, Province of Santiago, Dominican Republic
Paleoregion
America (Caribbean)
Data for Holotypus
Repository
California Academy of Sciences, San Francisco, USA
Repository Number
Type collection cat. no. 73176, G. Poinar no. Sd-9-47A, 1988
Data for Paratypus
Repository
California Academy of Sciences, San Francisco, USA
Repository Number
Type collection cat. no. 73631, G. Poinar no. Sd-9-47B, 1988
Diagnosis
Flowers bisexual, actinomorphic, 5-merous. Corolla sympetalous, trumpet-shaped, 8.7−9.0 mm long, abaxially densely tomentose with non-branched, wool-like trichomes, adaxially glabrous in mouth; tube 4.8 mm× 2.6−3.3 mm (upper width), gradually narrowing towards the base; lobes spreading to reflexed, triangularovate, 1.3−1.6 × 1.1−1.3 mm, valvate, reflexed, densely tomentose on outside, without pubescence in corolla mouth or on inside of corolla lobes, apex acute. Stamens equal in number to and alternate with corolla lobes, inserted in corolla lobe sinuses, partially exserted from corolla mouth; anthers sessile, bilocular, longitudinally introrse, obovate, 0.6−0.8 mm long, sagittate, apex rounded to bluntly acute, bases acute; pollen spherical, 12−18 μm in diameter. Ovary not seen; style one, simple, filamentous, exserted from corolla (at least 8−10 mm long past corolla lobes); stigma capitate.

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