Retief 1 (2007)

Retief 1 herbarium gathering, Pretoria National Botanical Garden (2007)
Retief 1 (2007)
At a Glance
Classification	Other
Location
Country	South Africa
Province/State	Gauteng
Locality	Pretoria National Botanical Garden
Coordinates	-25.736667, 28.275278
Elevation	1355 m
Collection
Method	Herbarium specimen
Sourcing Type	Historical
Date	1 November 2007
Collector	E. Retief
Specimen
Repository	National Herbarium (PRE)
Catalogue Number	PRE0767928-0
Collector Number	Retief, E. 1
Scientific Name	Cannabis sativa L. var. sativa
Identified By	E. Retief

Year at a glance (computed)

Point

25.74° S, 28.28° E

Elevation used

1,368 m computed, GMTED2010 (1 km), at this point

Köppen class

Cwa

Clock

UTC+2

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day and night
First light	05:03	05:28	05:45	05:59	06:12	06:26	06:28	06:12	05:41	05:09	04:46	04:44
Sunrise	05:29	05:52	06:08	06:22	06:37	06:51	06:53	06:36	06:04	05:32	05:11	05:10
Sunset	19:03	18:50	18:24	17:52	17:29	17:23	17:33	17:48	18:00	18:12	18:33	18:54
Last light	19:28	19:14	18:47	18:15	17:53	17:48	17:58	18:11	18:23	18:36	18:58	19:20
Daylighth	13h34	12h58	12h16	11h30	10h52	10h32	10h40	11h12	11h55	12h40	13h22	13h44
Changemin/day	−0.8	−1.4	−1.5	−1.4	−1.0	−0.2	+0.7	+1.3	+1.5	+1.5	+1.1	+0.3
Temperature
Avg daily high°C	27	27	26	23	21	18	19	22	26	26	26	27
Avg daily low°C	17	16	15	12	8	5	5	7	11	13	15	16
Swing°C	10	10	10	11	13	13	14	14	15	13	12	11
Water and light
Rainmm	129	105	96	36	14	9	3	6	18	75	103	127
VPDkPa	1.2	1.2	1.1	0.9	0.8	0.7	0.7	0.9	1.1	1.1	1.1	1.1
Sunlightmol/m²/d	49	46	41	36	32	29	31	37	44	47	48	50
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

Retief 1 is a herbarium accession of Cannabis sativa collected at Pretoria National Botanical Garden in Gauteng, South Africa, on 1 November 2007 by E. Retief. The National Herbarium (PRE) holds the sheet as PRE0767928-0.

Collection and locality

The database gives the locality as Pretoria National Botanical Gardens. and the altitude as 1,355 m. The garden adjoins the National Herbarium itself.

Field description

The database's plant description reads HT: 15.00, HTUNIT: cm; GRFRMS: Herb, a herb 15 cm high, which is a seedling or a very young plant.

Specimen and identification

The sheet is filed as Cannabis sativa L. var. sativa, determined by the collector.