Brink 680 (1979)

Brink 680 herbarium gathering, Grahamstown (1979)
Brink 680 (1979)
Brink 680, the sheet held by the Naturalis Biodiversity Center as WAG.1455358 (CC0)
At a Glance
Classification	Other
Location
Country	South Africa
Province/State	Eastern Cape
Locality	Grahamstown
Coordinates	-33.5, 26.366667
Collection
Method	Herbarium specimen
Sourcing Type	Historical
Date	5 April 1979
Collector	E. Brink
Specimen
Repository	National Herbarium (PRE)
Catalogue Number	PRE0630647-0
Collector Number	Brink, E. 680
Scientific Name	Cannabis sativa L. var. sativa

Year at a glance (computed)

Point

33.50° S, 26.37° E

Elevation used

279 m computed, GMTED2010 (1 km), at this point

Köppen class

Cfa

Clock

UTC+2

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day and night
First light	04:51	05:24	05:49	06:11	06:32	06:49	06:50	06:28	05:49	05:08	04:37	04:30
Sunrise	05:19	05:50	06:14	06:36	06:58	07:16	07:17	06:54	06:14	05:34	05:04	04:59
Sunset	19:27	19:07	18:34	17:53	17:23	17:13	17:24	17:45	18:05	18:27	18:55	19:20
Last light	19:55	19:34	18:59	18:18	17:49	17:40	17:51	18:11	18:30	18:52	19:22	19:49
Daylighth	14h08	13h17	12h20	11h16	10h25	9h56	10h07	10h52	11h51	12h53	13h51	14h21
Changemin/day	−1.2	−2.0	−2.1	−1.9	−1.4	−0.3	+1.0	+1.8	+2.0	+2.0	+1.6	+0.4
Temperature
Avg daily high°C	27	28	26	24	23	20	21	21	22	23	24	26
Avg daily low°C	17	17	16	14	12	9	9	10	11	12	14	15
Swing°C	10	10	10	11	11	11	12	12	12	11	11	11
Water and light
Rainmm	52	53	58	49	34	36	30	52	45	68	70	55
VPDkPa	1.0	1.0	0.9	0.9	0.8	0.8	0.8	0.7	0.7	0.8	0.8	0.9
Sunlightmol/m²/d	48	42	36	29	23	20	22	27	34	40	46	49
Field cycle
Cycle

• Planting
• Growing
• Harvest
• Not recorded / off season

No field cycle is recorded on this accession's page.

Day and night computed from the sun's position on the 15th of each month; climate normals 1981–2010 from CHELSA V2.1 · About these figures

Brink 680 is a herbarium accession of Cannabis sativa collected at Grahamstown in the Eastern Cape, South Africa, on 5 April 1979 by E. Brink. The National Herbarium (PRE) holds the sheet as PRE0630647-0. A duplicate at the Naturalis Biodiversity Center, WAG.1455358, carries the fuller label and a free image.

Collection and locality

Pretoria's entry gives the locality as GRAHAMSTOWN; 1 CROSS STREET.

What the Naturalis label adds

The Naturalis sheet carries a National Herbarium, Pretoria card with the grid reference 3326, the region E CAPE, the collector and number E Brink 680, the date 1979.04.05 and the note ex Sylvia van Zyl, 1 Cross street, Grahamstown. Cultivated in garden as feature plant. c 7 ft tall, herbaceous weed with very small root system. Plant Voucher for study by Finkelstein RU Pharm. The plant was therefore grown in a private garden as an ornamental and vouchered for a pharmacological study at Rhodes University.

A third sheet, mis-catalogued

The National Museum of Natural History (US) holds a third sheet as US 3127663 and catalogues it as E. Brink 3326 in the Western Cape, with the locality cross street Grahamston. Cape Town. The string 3326 is the quarter-degree grid reference printed in the Grid Ref. box of the Pretoria card, not a collector's number, and Grahamstown is about 800 km from Cape Town. The collector's number is 680.

Specimen and identification

Pretoria files the sheet as Cannabis sativa L. var. sativa; Naturalis and the Smithsonian both file it as Cannabis sativa L.