Jaca 281 (2011)
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| Jaca 281 herbarium gathering, Ga-Rankuwa (2011) | |
|---|---|
| Jaca 281 (2011) | |
| At a Glance | |
| Classification | Feral |
| Location | |
| Country | South Africa |
| Province/State | Gauteng |
| Locality | Ga-Rankuwa |
| Coordinates | -25.600278, 27.989167 |
| Elevation | 1223 m |
| Collection | |
| Method | Herbarium specimen |
| Sourcing Type | Historical |
| Date | 22 December 2011 |
| Collector | T. Jaca |
| Specimen | |
| Repository | National Herbarium (PRE) |
| Catalogue Number | PRE0897053-0 |
| Collector Number | Jaca, T. 281 |
| Scientific Name | Cannabis sativa L. var. sativa |
| Identified By | M. C. Makgakga |
- Point
- 25.60° S, 27.99° E
- Elevation used
- 1,233 m computed, GMTED2010 (1 km), at this point
- Köppen class
- BSh
- Clock
- UTC+2
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day and night | ||||||||||||
| First light | 05:05 | 05:30 | 05:47 | 06:00 | 06:13 | 06:27 | 06:29 | 06:13 | 05:43 | 05:10 | 04:48 | 04:46 |
| Sunrise | 05:30 | 05:54 | 06:10 | 06:23 | 06:38 | 06:52 | 06:54 | 06:37 | 06:06 | 05:34 | 05:12 | 05:12 |
| Sunset | 19:04 | 18:51 | 18:26 | 17:53 | 17:31 | 17:25 | 17:34 | 17:49 | 18:01 | 18:14 | 18:34 | 18:55 |
| Last light | 19:29 | 19:15 | 18:49 | 18:16 | 17:55 | 17:50 | 17:59 | 18:13 | 18:24 | 18:37 | 18:58 | 19:21 |
| 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 | 27 | 24 | 22 | 19 | 19 | 22 | 26 | 27 | 27 | 28 |
| Avg daily low°C | 18 | 18 | 16 | 13 | 9 | 5 | 5 | 8 | 11 | 14 | 15 | 17 |
| Swing°C | 11 | 11 | 11 | 12 | 13 | 14 | 14 | 15 | 15 | 13 | 12 | 11 |
| Water and light | ||||||||||||
| Rainmm | 119 | 93 | 84 | 32 | 13 | 7 | 3 | 5 | 16 | 66 | 92 | 113 |
| VPDkPa | 1.3 | 1.3 | 1.2 | 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
Jaca 281 is a herbarium accession of Cannabis sativa collected at Ga-Rankuwa in Gauteng, South Africa, on 22 December 2011 by T. Jaca. The National Herbarium (PRE) holds the sheet as PRE0897053-0.[1]
Collection and locality
The database gives the locality as Ga-Rankuwa. Molatlhoa Street. Dumping site., the habitat as Plateau. No slope. and the altitude as 1,223 m.[1]
Field description
The database's plant description reads Herb. Plant height: 0.3 m.[1]
Specimen and identification
The sheet is filed as Cannabis sativa L. var. sativa, determined by M. C. Makgakga.[1]
- ↑ 1.0 1.1 1.2 1.3 "Cannabis sativa L., barcode PRE0897053-0, in the Botanical Database of Southern Africa (BODATSA)". Plants of southern Africa. South African National Biodiversity Institute. Retrieved 23 September 2026.