De Winter 804 (1950)
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| De Winter 804 herbarium gathering, Pretoria (1950) | |
|---|---|
| De Winter 804 (1950) | |
| At a Glance | |
| Classification | Unknown |
| Location | |
| Country | South Africa |
| Province/State | Gauteng |
| Locality | Pretoria |
| Coordinates | -25.625, 28.125 |
| Point type | Holder's georeference |
| Uncertainty | about 19 km |
| Collection | |
| Method | Herbarium specimen |
| Sourcing Type | Historical |
| Date | 25 September 1950 |
| Collector | B. De Winter |
| Specimen | |
| Repository | National Herbarium (PRE) |
| Catalogue Number | PRE0372437-0 |
| Collector Number | De Winter, B. 804 |
| Scientific Name | Cannabis sativa L. var. sativa |
- Point
- 25.62° S, 28.12° E
- Elevation used
- 1,276 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 | 05:04 | 05:29 | 05:46 | 05:59 | 06:13 | 06:26 | 06:28 | 06:13 | 05:42 | 05:10 | 04:47 | 04:45 |
| Sunrise | 05:29 | 05:53 | 06:09 | 06:23 | 06:37 | 06:51 | 06:53 | 06:36 | 06:05 | 05:33 | 05:12 | 05:11 |
| Sunset | 19:03 | 18:51 | 18:25 | 17:53 | 17:30 | 17:24 | 17:34 | 17:48 | 18:00 | 18:13 | 18:33 | 18:54 |
| Last light | 19:29 | 19:14 | 18:48 | 18:16 | 17:54 | 17:49 | 17:58 | 18:12 | 18:23 | 18:36 | 18:58 | 19:20 |
| Daylighth | 13h34 | 12h58 | 12h16 | 11h30 | 10h53 | 10h33 | 10h41 | 11h12 | 11h55 | 12h40 | 13h21 | 13h43 |
| Changemin/day | −0.8 | −1.4 | −1.5 | −1.4 | −1.0 | −0.2 | +0.7 | +1.3 | +1.5 | +1.5 | +1.1 | +0.2 |
| Temperature | ||||||||||||
| Avg daily high°C | 28 | 28 | 26 | 24 | 22 | 19 | 19 | 22 | 26 | 27 | 27 | 28 |
| Avg daily low°C | 17 | 17 | 16 | 12 | 9 | 6 | 5 | 8 | 11 | 14 | 15 | 16 |
| Swing°C | 11 | 11 | 11 | 11 | 13 | 13 | 14 | 14 | 15 | 13 | 12 | 11 |
| Water and light | ||||||||||||
| Rainmm | 122 | 96 | 87 | 33 | 14 | 8 | 3 | 5 | 15 | 67 | 91 | 115 |
| VPDkPa | 1.2 | 1.2 | 1.1 | 1.0 | 0.8 | 0.7 | 0.7 | 0.9 | 1.2 | 1.2 | 1.2 | 1.2 |
| Sunlightmol/m²/d | 49 | 46 | 41 | 36 | 32 | 29 | 31 | 36 | 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
De Winter 804 is a herbarium accession of Cannabis sativa collected at Pretoria in Gauteng, South Africa, on 25 September 1950 by B. De Winter. The National Herbarium (PRE) holds the sheet as PRE0372437-0.[1]
Collection and locality
The database gives the locality as PRETORIA; SUNNYSIDE. Sunnyside is an inner suburb of Pretoria.[1]
Specimen and identification
The sheet is filed as Cannabis sativa L. var. sativa.[1]
- ↑ 1.0 1.1 1.2 "Cannabis sativa L., barcode PRE0372437-0, in the Botanical Database of Southern Africa (BODATSA)". Plants of southern Africa. South African National Biodiversity Institute. Retrieved 23 September 2026.