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Table 1 Differences in annual precipitation (lower triangle) and mean annual temperature (upper triangle) between selected African genera of Tordylieae. All comparisons are available online in Additional file A4

From: Derived woodiness and annual habit evolved in African umbellifers as alternative solutions for coping with drought

  Afroligusticum Capnophyllum Dasispermum Nanobubon Notobubon Lefebvrea Scaraboides
Afroligusticum 1.1–2.9 °C 1.2–3.1 °C 2.2–4.2 °C 2.1–4.0 °C 0.7–3.0 °C 1.2–4.0 °C
Capnophyllum 628–854 mm 0.0–0.4 °C 0.7–1.6 °C 0.7–1.4 °C 3.2–4.6 °C 0.0–1.7 °C
Dasispermum 543–750 mm 27–162 mm 0.7–1.5 °C 0.6–1.2 °C 3.3–4.7 °C 0.0–1.5 °C
Nanobubon* 495–712 mm 62–213 mm 0–102 mm 0.0–0.6 °C 4.3–5.8 °C 0.0–1.8 °C
Notobubon* 564–768 mm 10–141 mm 0–64 mm 6–119 mm 4.2–5.6 °C 0.0–1.6 °C
Lefebvrea 366–597 mm 175–345 mm 95–235 mm 44–200 mm 116–253 mm 3.2–5.7 °C
Scaraboides 1029–1313 mm 311–549 mm 417–633 mm 454–682 mm 393–618 mm 570–810 mm
  1. A comparison of 95% confidence intervals for absolute difference in average annual precipitation (lower triangle) and average mean annual temperature (upper triangle) of selected herbaceous and woody genera from the Lefebvrea clade. The intervals were originally expressed in terms of PC1 and PC2 and then back-projected onto AP and MAT dimensions of the bioclimatic space. Taxa with woody habit are marked with asterisks in the first column.