Annual Variation in Flowering Phenology, Pollination, Mating System, and Pollen Yield in Two Natural Populations of Schima wallichii (DC.) Korth

Table 2

Annual production of flower, pollen, and seeds per tree in S. wallichii.

Observed variables	2006	2007	2008	2010	2011	Grand average
Average diameter (cm)	28±2.14	—	—	28.8±2.20	—	28.4
Average height (m)	12±1.10	—	—	13±1.18	—	12.5
Flowering bearing branches/tree	04±0.12	02±0.08^(−50%)	10±1.12^(80%)	03±0.10^(−70%)	10.6±1.25^(72%)	5.9
Flowering bearing bough/branch	10±1.14	8±0.98^(−20%)	21±3.18^(62%)	8±0.42^(−62%)	20.6±1.08^(61%)	13.5
Flowers/bough	14±1.62	15±2.14^(12.5%)	24±1.98^(33%)	14±1.68^(−42%)	25.2±2.15^(44%)	18.6
Stamens/flower	156±20.14	146±22.16^(−6%)	139±30.26^(−5%)	142±19.16^(2%)	145.6±20.92^(−2%)	145.7
Pollen grains/anther	1946±415.13	1874±540.42^(−4%)	1796±804.12^(4%)	1901±215.14^(−6%)	1796±465.05^(6%)	1862.6
Pollen grains/flower	308690±13630.70	270604±10230.40^(12%)	245444±10014.2^(9%)	271390±11842.6^(−11%)	260977±9961.1^(4%)	271421
Pollen grains/tree	16.94×10^7±7.9×10^6	6.90×10^7±1.2×10^6(59%)	13.38×10^8±11.78×10^7(−95%)	9.13×10^7±1.79×10^6(93%)	15.49×10^8±3.94×10^7(−94%)	6.43 × 10^8
Fruit setting (%)	49±6.12	28±2.14^(43%)	68±6.18^(−59%)	36±6.74^(47%)	62±4.86^(42%)	48.6
Average seeds/tree	6640±44.25	1712±123.62^(74%)	92764±892.6^(−98%)	2658±74.8^(97%)	78268±642.4^(−96%)	36408

Superscript figures in parentheses shows percent difference between two years; namely 2006 and 2007, 2007 and 2008, 2008 and 2010, and 2010 and 2011; dashes (—) indicating lack of data.