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The bark on young trees is smooth and gray with resin blisters, becoming red-brown, rough and fissured on old trees, usually less than 5 centimeters (2 in) thick; the inner bark is reddish. [5] The leaves are needle-like, 1–3.5 cm ( 1 ⁄ 2 – 1 + 1 ⁄ 2 in) long, glaucous blue-green above and below with strong stomal bands, and a blunt to ...
Abies numidica is a medium-sized to large evergreen tree growing to 20–35 meters tall, with a trunk up to 1 meter diameter. The leaves are needle-like, moderately flattened, 1.5–2.5 centimeters long and 2–3 millimeters wide by 1 millimeters thick, glossy dark green with a patch of greenish-white stomata near the tip above, and with two greenish-white bands of stomata below.
Fossil evidence from lignite mines in the Indian states of Rajasthan and Gujarat indicate that sal trees (or at least a closely related Shorea species) have been a dominant tree species of forests of the Indian subcontinent since at least the early Eocene (roughly 49 million years ago), at a time when the region otherwise supported a very different biota from the modern day.
It is a deciduous tree growing to 10 to 20 m (33 to 66 ft) tall (rarely to 27 m), with a slender crown and a trunk up to 70 cm (28 in) (exceptionally 1 m) in diameter, with smooth but dull grey-white bark finely marked with dark horizontal lenticels. The shoots are grey-brown with fine downy.
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Norway spruce is a large, fast-growing evergreen coniferous tree growing 35–55 m (115–180 ft) tall and with a trunk diameter of 1 to 1.5 m. It can grow fast when young, up to 1 m per year for the first 25 years under good conditions, but becomes slower once over 20 m (65 ft) tall. [6] The shoots are orange-brown and glabrous.
The leaf is usually slightly notched at the tip. The cones are 9–17 cm (3.5–6.7 in) long and 3–4 cm (1.2–1.6 in) broad, with about 150-200 scales, each scale with an exserted bract and two winged seeds; they disintegrate when mature to release the seeds. [4] The wood is white, leading to the species name alba. [5]
The sessile oak is a large deciduous tree up to 40 metres (130 feet) tall, [10] in the white oak section of the genus (Quercus sect. Quercus) and similar to the pedunculate oak (Q. robur), with which it overlaps extensively in range.