TABLE 1. Comparison of morphological characters in Tulipa sarvestanica and T. systole.
Characters Tulipa sarvestanica Tulipa systola
Bulb diameter (cm), shape 2.7–3.0, ovoid 3.5–5.0 cm ovoid
Usual leaf number 4 4
Leaf position Leaves spaced on stem ± Leaves spaced on stem
Leaf colour, margin subglaucous, ciliate wavy subglaucous, ciliate wavy
Stem length (cm), vestiture 21–25, glabrous 28–35, glabrous
Flower number 1 1
Lowermost leaf length (cm) 8.5–10 × 1–2 20(30) × 7(11)
Upper leaf length (cm) 2.5–6.0× 2.0–4.0 10.0 × 11.0
Perianth colour, shape red, outer tepals ovate to rhomboid, generally pointed; inner tepals usually ovate, apex round red or scarlet, outer tepals ovate to rhomboid, generally pointed; inner tepals usually ovate, apex round
Base of perianth segments red, small basal spot black with yellow margin purple-black basal spot, sometimes with a yellow margin or, more rarely, black-spotted yellow
Length outer perianth segments (cm) 2.5 –3.0 2.5–7.0
Length inner perianth (cm) 3.1 × 2.0 2.0–5.0
Filament length (mm), colour 6–10, often black or black-spotted yellow 6–7, often dark purple
Stamen length (mm), colour 11–14, yellow 15–17, dark purple and yellow or purple pollen
Ovary length (cm) 0.9 –1.5 1.9–2.2
Capsule length (cm) 2.0–2.5 ×1.6–2.0 6.0–7.0 × 3.0
Seed diameter? (mm) 5.0–7.0 6.0–7.5
Tunic brown covered with arachnoid bristles Light brown covered with densely hair.
Provenance Iran Iran, Iraq, Jordan, Syria
Habitat Marl hills of sandstone with minimal organic matter Rocky slopes of silty loam soil with abundant organic matter