01 — IDENTITYCURATED RECORD
SL28
Selection of Tanganyika Drought Resistant — Kenya, 1935.
SPECIES C. ARABICAGROUP SELECTIONALIASES SL-28
OBSERVED RECORDwhat the pipeline has witnessed · 27 roasters tracked · updated daily
02 — FLAVOR RANGE
OBSERVEDacross 42 current offerings from 27 of 27 tracked roasters · updated 30 Sep 2026
9 of 10 families · 54 placed notes
FAMILYNAMED NODESOFFERINGS
Fruity3241 of 42
Berry21
Currant10
Blackberry6
Cranberry3
Elderberry1
Raspberry1
Citrus Fruit· 3 placed here21
Orange7
Grapefruit5
Mandarin3
Kumquat1
Lemonade1
Tangerine1
Stone Fruit· 1 placed here13
Cherry7
Nectarine3
Apricot2
Peach2
Plum1
Tropical Fruit7
Pineapple3
Kiwi2
Mango2
Papaya1
Passion Fruit1
Apple4
Grape· 2 placed here3
Champagne Grape / Concord Grape1
Dried Fruit2
Date1
Raisin1
Pomegranate2
Fig1
Tamarind1
Sweet816 of 42
Sweet Aromatics· 2 placed here9
Chocolate2
Honey2
Molasses2
Caramel1
Brown Sugar· 5 placed here6
Panela / Cane Sugar1
Vanilla3
Floral58 of 42
Floral Aromatics4
Hibiscus2
Lavender1
Rose Hip1
Tea2
Black Tea2
Sour / Ferment15 of 42
Alcohol/Fermented5
Winey5
Nutty / Cocoa23 of 42
Cocoa3
Dark Chocolate2
Milk Chocolate1
Green / Vegetative22 of 42
Herbal1
Rooibos1
Resinous1
Juniper1
Savory12 of 42
Tomato2
Spices22 of 42
Brown Spice2
Cinnamon1
Clove1
Other11 of 42
Chemical1
Bitter1
GROUP COUNTS ARE OFFERINGS MENTIONING ANY NOTE IN THE GROUP — SETS OVERLAP, SO CHILDREN DO NOT SUM TO THEIR PARENT.
A NOTE RESOLVES TO THE DEEPEST NODE IT JUSTIFIES; “PLACED HERE” IS AN INTERIOR NODE STATED IN ITS OWN RIGHT, NOT A ROLL-UP.
A NOTE RESOLVES TO THE DEEPEST NODE IT JUSTIFIES; “PLACED HERE” IS AN INTERIOR NODE STATED IN ITS OWN RIGHT, NOT A ROLL-UP.
n=42
taxonomy rev. waveform-2026.6
+ 4 off-tree (not counted above)
+ 4 off-tree (not counted above)
03 — OBSERVED ORIGINS
OBSERVEDacross 42 current offerings from 27 of 27 tracked roasters · updated 29 Sep 2026
SEEN IN 7 OF THE 45 PRODUCING COUNTRIES DRAWN
FIG. 1Where SL28 is currently being seen
RECORDACROSS 42 CURRENT OFFERINGS FROM 27 OF 27 TRACKED ROASTERS · UPDATED 29 SEP 2026
7 ORIGINS OBSERVED · ×42 CURRENT OFFERINGS
POINT AT A COUNTRY OR A ROW TO READ IT · ENTER OPENS · CLICK OR SPACE PINS · ESC RELEASES
POINT AT A COUNTRY OR A ROW TO READ IT · ENTER OPENS · CLICK OR SPACE PINS · ESC RELEASES
THE AMERICAS6 OF 7 · ×14
AFRICA & ARABIA1 OF 7 · ×27
RECORD7 ORIGINS OBSERVED · ×42 CURRENT OFFERINGS
TAP A ROW TO TRACE IT · ANY REGION
FIG. 1Where SL28 is currently being seen
THE AMERICAS6 · ×14
AFRICA & ARABIA1 · ×27
+ 1 country-resolved origin not on the producing allowlist and so not drawn: Grecia. Naranjo. West Valley. Costa Rica
04 — OBSERVED PROCESSES
OBSERVEDacross 42 current offerings from 27 of 27 tracked roasters · updated 29 Sep 2026
Washed32
Natural6
Honey2
Undisclosed1
one dot = one current offering
+ 1 not yet resolved (not counted above)
05 — LIVE OFFERINGS
OBSERVED · LIVEcurrent sightings — who is selling SL28 right now
Heart Coffee RoastersKenya Nyawira AA
Kenya
Washed
seen 29 Sep
↗
Methodical CoffeeKenya, Tekangu
Kenya
Washed
seen 29 Sep
↗
Passenger CoffeeKivanga - Washed Process - 2025
Kenya
Washed
seen 29 Sep
↗
Passenger CoffeeKambarare - Washed Process - 2025
Kenya
Washed
seen 29 Sep
↗
Counter Culture CoffeeGuchienda
Kenya
Washed
seen 29 Sep
↗
JBC Coffee RoastersEl Venado SL-28 White Honey
Grecia. Naranjo. West Valley. Costa Rica
Honey
seen 29 Sep
↗
06 — NARRATIVE
CURATED RECORDPENDINGReference article not yet hand-authored — the identity above and the observed record are live; the narrative is still to be written.
07 — LINEAGE
CURATED RECORDSL28SUBJECT
PARENTS · SELECTION · 1935 · 1 OF 1 RECORDED
- NO RECORDED PARENTS
RAIL DEPTH = GENERATION.
RECONVERGENCE = ↑ BACK-REFERENCE; A NAME IS SET ONCE.
RECONVERGENCE = ↑ BACK-REFERENCE; A NAME IS SET ONCE.